Search Results — 2000 specimen records retrieved (1561 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD13118  Abronia umbellata Edith A. Purer 1935-5-12 6594 Los Angeles El Segundo. Comment
  SFV16046  Abronia umbellata A. M. Orcino, A. Sutton 1994-4-22 3 Los Angeles Los Angeles Basin Playa del Rey Beach at corner of Pacific Avenue and Convoy Street, 0.1 miles north of Culver Blvd. 1 Comment
  RSA0025888  Abronia umbellata F. H. Elmore 1939-11-23 780 Los Angeles Northwest Harbor, San Clemente Island. Comment
  RSA460995  Abronia umbellata James B. McNair 1934-4-16 s.n. Los Angeles El Segundo. Comment
  RSA69964  Abronia umbellata F. W. Peirson 1843 Los Angeles Long Beach Comment
  SD90379  Abronia umbellata Robert F. Thorne 1966-4-15 35990 Los Angeles San Clemente Island; 0.67 mile southsoutheast of Eel Point, southwest side of island. 29 Comment
  RSA651443  Acacia baileyana Paul Ring 1949-2-17 s.n. Los Angeles Found in canyon north of Infirmary. [Cal Poly, Pomona ?] 243 Comment
  RSA596219  Acamptopappus sphaerocephalus var. hirtellus T. S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3402 Los Angeles San Gabriel Mountains, Little Rock Creek: on SW side of Little Rock Creek reservoir 997 Comment
  CAS-BOT-BC331555  Acer macrophyllum Geo. B. Grant 1901-1-1 8912 (Ex. 17.) Los Angeles Sierra Madre Mts. Comment
  RSA584484  Achillea millefolium T. S. Ross 1992-5-24 6415 Los Angeles Brown's Gulch: Draining to San Gabriel Canyon at base of San Gabriel Dam. 464 Comment
  SBBG32076  Achillea millefolium R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -235 Los Angeles S side of Little Harbor Comment
  UCD55574  Achnatherum hymenoides B. Crampton 1955-4-28 2722 Los Angeles Joshua Tree Woodland. State Hwy. 138. 5 miles east of Llano and about 26 miles east of Palmdale. Comment
  RSA764463  Achnatherum speciosum Doris Hoover Bowers 1957-4-25 573 Los Angeles Mohave Desert N/o Big Pines 1220 Comment
  SBBG31391  Acmispon americanus R. F. Thorne with P. C. Everett 1965-6-23 Los Angeles Haypress Reservoir 411 Comment
  CAS-BOT-BC204779  Acmispon argophyllus var. argenteus Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Isl. Comment
  CATA1837  Acmispon micranthus Denise Kraus 2000-4-27 16 Los Angeles Santa Catalina Island: (Goat Harbor burn area) On eastern side of large, obvious rocky outcrop which is on western fuel break road. At GHB Transect 15 381 Comment
  SBBG108905  Acmispon strigosus S. A. Junak 1997-3-11 SCl 748 Los Angeles overlooking Pyramid Cove on Sibara Ridge, just W of gully edge, ca. 0.35 mi S of Triangulation Station Guds 137 Comment
Read comments
May 1 2012
  SEINET1869738  Acmispon strigosus A. C. Sanders, Mark Elvin 2003-1 25949 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  SD75505  Acmispon strigosus Reid Moran 1941-2-25 610 Los Angeles Santa Catalina Island, north of Wilson's Harbor, grassy slope above the sea 49 Comment
  CAS-BOT-BC29207  Acourtia microcephala Louis C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mountains, Doe Flat, Graveyard Canyon Comment
  SFV21148  Adenostoma fasciculatum J. M. Keefe 2001-1-19 30947 Los Angeles San Rafael Hills Los Angeles, Eagle Rock. South by southeast face of the Eagle Rock. 305 Comment
  UC483365  Adenostoma fasciculatum L. R. Abrams and I. L. Wiggins 1931-7-4 335 Los Angeles Santa Catalina Isl., White's Landing Comment
  UCD112622  Adenostoma fasciculatum Antonio F. Machado; Lisa Seemann 1993-4-28 3 Los Angeles Santa Clarita Valley, E of San Francisquito Road, 0.4 mile S of where road is intersected by aqueduct piping. 1000 Comment
  UCR108465  Adenostoma fasciculatum L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mtns., Mesa on the W side of Bear Creek, off West Fork of San Gabriel River 610 Comment
  UCR260788  Adenostoma fasciculatum R. G. Swinney 2010-8-9 13471 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  RSA0124091  Adenostoma fasciculatum Louis C. Wheeler 1967-7-15 10012 Los Angeles West end. Waterman Mt. 61 Comment
  SD81710  Adiantum capillus-veneris Louis C. Wheeler 1931-7-26 Los Angeles Palmer Canyon, San Antonia Mountains 760 Comment
  LA200053  Adiantum jordanii Lawrence L. Kiefer; 1966-4-16 1865 Los Angeles SANTA MONICA MOUNTAINS, ca 1.5 mi W of Calabasas, ravine S of road. 304 Comment
  UC440494  Adiantum jordanii F. M. Reed 1909-7-4 2844 Los Angeles hills s of Avalon; Catalina Isl 304 Comment
  RSA607514  Aesculus californica Louis C. Wheeler 1973-6-20 s.n. Los Angeles San Gabriel Mountains: Chaney Trail, south side Sunset Ridge, by Millard Canyon. Comment
  RSA0081386  Ageratina adenophora R. G. Swinney 2010-8-26 13590 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  UCR192210  Agoseris heterophylla A. C. Sanders 2008-4-16 34903 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, hills c. 1.25 mi. NE of Quail Lake, c. 0.7 mile north of Hwy 138 1000 Comment
  POM49249  Agoseris retrorsa A. D. E. Elmer 1902-06 3601 Los Angeles Acton, Mt. Gleason. Comment
  RSA774273  Agoseris retrorsa R. G. Swinney 2009-6-8 11097 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  HSC101378  Agrostis exarata R. G. Swinney 2008-8-13 9378 Los Angeles San Gabriel Mtns.: Icy Springs, tributary of Big Rock Creek 1756 Comment
  LA98904  Agrostis exarata John O'Leary; 1979-5-23 sn Los Angeles SANTA MONICA MOUNTAINS, near Zuma Motorway, ca 1.75 mi N of Zuma Beach. 266 Comment
  RSA595801  Agrostis exarata Lauren Raz, Steve Boyd 1996-10-23 47 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. Following easterly course of flowing stream. 609 Comment
  RSA78217  Agrostis exarata J. C. Roos 1951-7-30 5076 Los Angeles North slope Mt. Baden Powell, San Gabriel Mountains. 2043 Comment
  RSA228908  Agrostis idahoensis R. F. Thorne 1971-8-25 41313 Los Angeles San Gabriel Mountains, Angeles National Forest: At Windy Spring on N slope of Mt. Islip. 2256 Comment
  SFV21099  Agrostis viridis L. Gross, W. Law 2000-8-8 250 Los Angeles San Fernando Valley Big Tujunga Wash east of Hansen Dam. East of Orcas Park along river (just north of Wentworth Street but not as far as Tujunga ponds. 325 Comment
  SFV18291  Alcea rosea J. N. Hogue 2002-5-5 s. n. Los Angeles Los Angeles Basin Los Angeles, Eagle Rock. Roadside on Loleta Ave., south of Colorado Blvd. 200 Comment
  SEINET10666943 Image available Allium cepa Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2574 Los Angeles City of San Gabriel. Hawaii Supermarket, 120 E. Valley. Comment
  RSA239426  Allium fimbriatum var. fimbriatum C. W. Tilforth, John Dourley 1973-5-24 809 Los Angeles 2.3 mi. NW of Mile High, above Shoemaker Canyon, north edge of San Gabriel Mountains. Comment
  LA21559  Allium haematochiton Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA21590  Allium peninsulare Carl Epling; M. Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA367100  Allium praecox J. D. Bixby 1917-03 528 Los Angeles San Dimas Hills. Comment
  POM3530  Allophyllum divaricatum J. H. Fairchild s.n. Los Angeles Claremont. Comment
  RSA71865  Allophyllum glutinosum F. W. Peirson 1951-3-28 153 Los Angeles Benedict's Canyon, Santa Monica Mts. Comment
  SBBG27959  Allophyllum glutinosum V. and A. Grant 1949-4-28 8701 Los Angeles Winter Cyn N of Santa Monica Comment
  SEINET2444452  Allophyllum glutinosum Leigh A. Johnson, J. Mark Porter 1997-5-6 97 -085 Los Angeles Santa Monica Mountains Natl. Recreation Area. Tuna Canyon Rd: at mile marker 3.59, where a pullover area exists and drainage pipe runs under road. (0.5 miles from jct of Fernwood Pacific Rd., which becomes Tuna Cyn. Rd., and Topanga Cyn. Blvd.). 300 Comment
  RSA0091153  Alnus rhombifolia R. G. Swinney 2011-11-1 15941 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  UCR159824  Amaranthus albus LeRoy Gross 1999-10-3 166 Los Angeles "Southern base,San Gabriel Mountains/ Verdugo Mountains region", Southern base,San Gabriel Mountains: Big Tujunga Wash, east of 210 freeway, city of Sunland. 366 Comment
  SBBG72674  Amaranthus blitoides R. Hoffmann 1927-6-11 Los Angeles near Castaic Comment
  RSA402984  Amaranthus deflexus F. R. Fosberg 1930-9-30 S- 4101 Los Angeles Los Angeles. Comment
  UC1215204  Ambrosia chamissonis Peter H. Raven 1962-7-12 18022 Los Angeles e end Northwest Harbor; San Clemente Island 30 Comment
  UC483202  Ambrosia chamissonis L. R. Abrams and I. L. Wiggins 1931-7-6 358 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  RSA232705  Ambrosia chamissonis Larry E. DeBuhr, Gary D. Wallace 1972-9-1 s.n. Los Angeles San Clemente Island. West Cove NW on island. Comment
  JEPS41036  Ambrosia psilostachya Elizabeth Day Palmer 1908-8-7 Los Angeles Los Angeles Comment
  UCD128877  Ambrosia salsola Geoffrey Levin 1975-5-17 514 Los Angeles 1.5 miles east on State 138 from junction with State 18 near Pinyon Hills. Mohave River drainage area. 1158 Comment
  UCR210143  Amelanchier utahensis R. G. Swinney 2008-8-13 9383 Los Angeles San Gabriel Mtns., east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
  CAS-BOT-BC180644  Amorpha californica var. californica LeRoy Abrams 1902-7-1 2622 Los Angeles Little Santa Anita Canyon Comment
  POM184683  Amorpha californica var. californica Joseph A. Ewan 1932-6-12 7370 Los Angeles San Gabriel Mountains: 1 mi above North Fork Camp, N.F. Tujunga Creek. 976 Comment
  RSA584859  Amorpha californica var. californica T. S. Ross 1993-6-1 7363 Los Angeles W marvin of Chantry Flat near beginning of upper Winter Creek Trail. 707 Comment
  CAS-BOT-BC26835  Amsinckia humilis Alice Eastwood 1906-6-2 171 Los Angeles San Pedro Comment
  POM6859  Amsinckia intermedia P. A. Munz, L. T. Street, G. Williams 1919-3-8 2289 Los Angeles Pomona. Comment
  SBBG20546  Amsinckia intermedia E. R. Blakley 1963-12-7 6340 Los Angeles shallow cyn sloping to ocean, 200 ft N of Lighthouse, N of Pyramid Head 53 Comment
  UC24594  Amsinckia intermedia Harley P. Chandler 1897-2-6 Los Angeles Claremont 487 Comment
  UC575001  Amsinckia menziesii var. menziesii Louis C. Wheeler 1934-3-31 2495 Los Angeles La Verne 304 Comment
  CAS-BOT-BC26820  Amsinckia palustris Alice Eastwood 1906-5-31 92 Los Angeles Near Bimini Baths Comment
  SDSU4872  Amsinckia spectabilis var. spectabilis R. M. Beauchamp 1967-1-28 138 Los Angeles San Clemente Island. Comment
  POM368394  Amsinckia tessellata var. tessellata Robert Gustafson 1978-6-1 984 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  RSA465151  Anagallis arvensis Chung-Hsin Chung 1931-3-4 s.n. Los Angeles Roadside, Pasadena Comment
  SFV22005  Anagallis arvensis V. Soza, L. Gross, A. Munoz 2000-5-12 886 Los Angeles Verdugo Mountains Northeast side of Verdugo Mountains. Glendale, Engleheard Canyon, Camp Max Strauss at end of Shirlyjean Street. Fire road south from Engleheard Canyon to power lines. East-northeast-facing slope alongside trail to fire road, near junction. 396 Comment
  RSA647313  Anagallis arvensis Vernon Cliffe 1948-5-3 s.n. Los Angeles Found growing in empty lot, W side of 3600 Blk., Orange Ave. 61 Comment
  RSA645326  Ancistrocarphus filagineus Steve Boyd, Lee W. Lenz 2000-4-21 10304 Los Angeles Western Mojave Desert region: Antelope Valley, along Highway 138 west of Antelope Buttes. Comment
  UCR99478  Ancistrocarphus filagineus Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9466 Los Angeles San Gabriel Mtns., Liebre Mountains, upper watershed of Osito Cyn between Hwy I-5 & the Old Ridge Route, vic. of 'Osito Flat,' a distinctive, open grassy break in slope under the high tension power lines. 915 Comment
  SEINET7594995 Image available Andropogon glomeratus Louis C. Wheeler 1946-1 6343 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/2 mile W of Bear Creek 518 Comment
  RSA503833  Anemopsis californica F. R. Fosberg 1930-7-3 S 3091 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  UCR125948  Anemopsis californica A. C. Sanders, Mark Elvin 2002-6-19 25172 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  CATA333  Anthemis cotula Mark L. Hoefs 1973-7-13 372 Los Angeles Santa Catalina Island: Middle Ranch Canyon just above reservoir, on north side of main road 236 Comment
  RSA416830  Anthemis cotula L. E. Hoffman s.n. Los Angeles Arroyo Seco Canyon. Comment
  SFV17353  Anthriscus caucalis J. N. Hogue 1998-4-28 Los Angeles Pasadena, Arroyo Seco near Rose Bowl. 259 Comment
  UCR150862  Anthriscus caucalis R. G. Swinney, Dave Larson 1999-5-15 7183 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  HSC83233  Antirrhinum coulterianum D. M. Thompson 1983-5-20 311 Los Angeles Santa Susana Mtns., along Pico Canyon Rd., 2.4 mi. W of Hwy. 5 488 Comment
  RSA371542  Antirrhinum coulterianum David M. Thompson 1983-5-13 307 Los Angeles 1.5 miles W of junction of Mulholland Hwy. and Las Birenes Road on Mulhalland Hwy. 884 Comment
  RSA505440  Antirrhinum kelloggii R. C. Bacigalupi 1957-5-12 5879 Los Angeles Slope above Las Flores Canon, 1/4 miles above US Army Nike launching site; Santa Monica Mts. 274 Comment
  LA52035  Antirrhinum multiflorum Louis Wheeler; 1932-5-25 757 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon 365 Comment
  POM4294  Antirrhinum multiflorum F. M. Reed 1928-6-9 2360 Los Angeles On Hogback in San Antonio Canyon. 1220 Comment
Read comments
Jan 22 2016
  SBBG83200  Antirrhinum multiflorum M. N. Ackley 1927-6-5 1014 Los Angeles trail to Switzerland Comment
  UCR133572  Antirrhinum multiflorum Fordyce Grinnell Jr. 1910-1 s.n. Los Angeles San Gabriel Mountains, [near George's Gap] head of Long Canyon 1098 Comment
  UCR271254  Antirrhinum multiflorum R. G. Swinney 2011-6-1 14959 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1073 Comment
  UC1215166  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven 1962-4-12 17325 Los Angeles w side San Clemente Island (near foot of canyon s of canyon below the Tomb) 137 Comment
  SBBG117050  Aphanes occidentalis S. A. Junak with K. Kirkland 2001-4-14 SCa 1444 Los Angeles upper portion of Middle Cyn, just upslope from E side of Middle Cyn Rd, ca. 1.2 mi from jct with Airport Rd 304 Comment
  RSA660871  Aphanisma blitoides Orlando Mistretta 1992-4-4 134 Los Angeles San Clemente Island. Comment
  SBBG131895  Aphanisma blitoides S. A. Junak, D. Wilken 1996-3-27 SCI 263 Los Angeles just S of Eel Cove Cyn, near N end of flats 15 Comment
  UC20815  Apiastrum angustifolium J. H. Barber 1897-3-28 113 Los Angeles Santa Monica Canyon; Southern California, Santa Monica Canyon Comment
  UCR65227  Apiastrum angustifolium F. R. Fosberg 1931-4-4 S- 04489 Los Angeles Channel Islands, Santa Catalina Island, Cherry Canyon 60 Comment
  RSA0042674  Apiastrum angustifolium Laura Moore, Jean Moore 1999-4-10 022 Los Angeles Pitzer College, Claremont: Northwest section of Outback, approximately 5 yards from western boundary with Harvey Mudd Soccer Field. 350 Comment
  RSA0087234  Aquilegia formosa R. G. Swinney 2010-9-13 13823 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  UCR209538  Aquilegia formosa R. G. Swinney 2008-7-2 9121 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  UCR205556  Arabis glabra R. G. Swinney 2008-5-30 8881 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, tributary on south side of canyon 0.1 mi. east of park office 305 Comment
  POM367173  Arbutus menziesii Anstruther Davidson 1893-07 s.n. Los Angeles Mount Wilson Trail. Comment
  UCR95552  Arbutus menziesii L. C. Wheeler 1966-11-26 9157 Los Angeles San Gabriel Mtns., West Fork San Gabriel Canyon Drainage. Pine Mountain Truck Trail 915 Comment
  SBBG119159  Arceuthobium divaricatum R. G. Swinney 1997-9-6 5864 Los Angeles Forest Service Rd 4N06 (Mescal Cyn), ca. 2.6 mi N of Big Pines Rd, ca. 10 mi W of FS Rd, ca. 75 m S of only point where stream crosses rd; T4N R8W 1585 Comment
  RSA276090  Arctostaphylos catalinae Gary D. Wallace, Mark Hoefs 1975-3-23 1412 Los Angeles Santa Catalina Island above road from Avalon ca. 1/8 mi. S of Haypress Reservoir. 411 Comment
  SBBG39160  Arctostaphylos catalinae M. Van Rensselaer 1937-7-1 Los Angeles Santa Catalina Island Comment
  SBBG47520  Arctostaphylos catalinae M. B. Dunkle 1929-2-10 2048 Los Angeles Bullrush Cyn Comment
  OBI74751  Arctostaphylos glandulosa K. Dobry 1991-4-22 d 812 Los Angeles Santa Monica Mts. Upper Cold Creek cyn Comment
  RSA626805  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-10-15 22097 Los Angeles S-facing slopes at end of Hwy 39, NW of Crystal Lk. 1720 Comment
  RSA631213  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21973 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  CAS-BOT-BC39336  Arctostaphylos glauca LeRoy Abrams 1901-4-7 1421 Los Angeles La Canada Comment
  RSA367294  Arctostaphylos glauca C. R. Parks 1963-2-16 139 Los Angeles upper Bear Creek Trail just west of Crystal Lake; off state Hwy 39 about 12 miles north of Azusa 1372 Comment
  RSA631546  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15608 Los Angeles Angeles Forest Highway, 1 km south of Hidden Springs Cafe. 850 Comment
  RSA631621  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15774 Los Angeles Santa Clara Divide Road (3N17), 6-7 km off Sand Canyon Road. 1000 Comment
  UC1552130  Arctostaphylos glauca David Charlton 1988-4-2 1486 Los Angeles 1-15 from Swarthout Valley Rd to end of pavement (under powerline); Cajon Pass 1524 Comment
  RSA303597  Arctostaphylos glauca J. R. Shevock 1970-3-7 24 Los Angeles San Gabriel Mountains. 762 Comment
  SD49832  Arctostaphylos parryana A. E. Wieslander 1936-8-28 674 Los Angeles San Antonio Quadrangle, Table Mtn. 2075 Comment
  UC718451  Arctostaphylos parryana Carl B. Wolf 1936-5-27 7850 Los Angeles Aliso Canyon to Buckhorn Flats Road; San Gabriel Mts., Tie Camp Summit 1524 Comment
  SD146284  Arctostaphylos parryana A. C. Sanders, D. Malueg 1998-6-24 22080 Los Angeles San Gabriel Mountains: 2 miles E of Mt. Gleason at Little Gleason Forestry Plantation, on S. Cal. Edison Mesa-Vincent transmission line at Tower 7-2 (Acton 7.5'Q) 1707 Comment
  RSA634893  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20388 Los Angeles Road to Pacifico Mtn., 6.0 km east of Mill Creek Summit, San Gabriel Mtns. 1830 Comment
  RSA635053  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20359 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA635114  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20478 Los Angeles Road to Sulphur Springs Campground, 5.7 km north of Angeles Crest Hwy, North of Chilao Campground. San Gabriel Mtns. 1700 Comment
  RSA635175  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20558 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA522335  Arctostaphylos patula T. S. Ross 1990-7-10 4027 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  UCR205221  Arctostaphylos patula R. G. Swinney 2005-8-26 8531 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, peak 6374, c. 1/2 mi. SW of Devils Chair 1943 Comment
  UCSB9380  Arctostaphylos pungens Wedberg, Lee 1954-3-22 Los Angeles Near Vincent Comment
  SBBG108913  Aristida adscensionis S. A. Junak 1997-3-11 SCl 751 Los Angeles base of SE side of Sibara Ridge, ca. 0.35 mi S of Triangulation Pt Guds 106 Comment
  SBBG110998  Aristida adscensionis A. Parikh, N. Gale 1998-5-28 LA- 2 Los Angeles S of Agoura Hills; N of Triunfo Cyn Rd, near intersection of Kanan Rd 270 Comment
Read comments
Jun 23 2010
  SBBG131952  Aristida adscensionis S. A. Junak 2000-5-18 SCa 1297 Los Angeles W side of 4th of July Cove, 0.1 mi from turnoff to camp 36 Comment
  SBBG96689  Aristida adscensionis S. Boyd with T. Ross, L. Arnseth 1990-4-7 4193 Los Angeles upper reaches of China Cyn Comment
  LA200156  Artemisia californica Michael Neuman; November 1983 10 Los Angeles Santa Monica Mountains, Hollyhock Canyon, tributary to Mandeville Canyon Comment
  RSA417241  Artemisia californica Louis Greata 1900-9-2 s.n. Los Angeles Near Inglewood. Comment
  SBBG79907  Artemisia californica F. R. Fosberg 1931-12-10 7149 Los Angeles Avalon, Public Utilities Cyn 50 Comment
  SEINET13386998 Image available Artemisia douglasiana R. G. Swinney 2011-1 15662 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. (Chilao Flat 7.5' Q.) (T3N R12W S35) 1073 Comment
  UCR258597  Artemisia douglasiana R. G. Swinney 2010-8-26 13600 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR276757  Artemisia douglasiana R. G. Swinney 2010-8-11 13484 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  SBBG12507  Artemisia nesiotica P. H. Raven 1962-7-11 18006 Los Angeles upper end of first cyn S of Lemon Tank Comment
  CAS-BOT-BC97293  Artemisia tridentata subsp. parishii Philip A. Munz 1923-11-11 7802 Los Angeles Newhall Comment
  CAS-BOT-BC97335  Artemisia tridentata subsp. tridentata H. M. Hall 1919-10-20 s.n. Los Angeles Mint [Canon] Canyon Comment
  RSA250468  Artemisia tridentata subsp. tridentata R. F. Thorne, John Dourley 1967-10-10 37349 Los Angeles San Gabriel Mts.; Angeles National Forest: Blue Ridge. 2256 Comment
  RSA0091823  Arundo donax Bonnie C. Templeton 1967-7-23 10180 Los Angeles Whitney Canyon. Comment
  RSA230382  Asclepias californica R. F. Thorne, M. Z. Thorne 1969-7-10 38376 Los Angeles San Gabriel Mountains, Angeles National Forest: North of Jackson Lake. 1860 Comment
  UCR208193  Asclepias erosa Ian Swift 2001-9-10 333 Los Angeles Transverse Ranges, Liebre Mountains region, Lower Poison Oak Canyon 1098 Comment
  IRVC28693  Asclepias fascicularis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25471 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  UCR204873  Asclepias fascicularis R. G. Swinney 2005-8-9 8400 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  POM121839  Asclepias fascicularis Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout valley Comment
  SFV2811  Asclepias fascicularis R. L. Armacost 1934-5-29 142 dup. Los Angeles Santa Monica Mountains Near Trippet Ranch. 335 Comment
  UCR280743  Asclepias vestita R. G. Swinney 2014-4-23 16163 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  RSA584038  Aspidotis californica T. S. Ross, Steve Boyd 1991-4-25 4588 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora). 536 Comment
  UC811525  Aspidotis californica I. W. Clokey and E. G. Anderson 1935-5-9 6503 Los Angeles San Dimas Canyon Comment
  RSA686322  Aspidotis californica B. C. Templeton 1931-4-12 s.n. Los Angeles Manderville Canyon 200 Comment
  CHSC8346  Asplenium vespertinum Edward L. Smith 1957-2-20 330 Los Angeles Located in Upper Palmer Canyon, San Gabriel Mtns. 762 Comment
  POM122906  Aster ascendens Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley Comment
  POM158116  Aster subulatus var. ligulatus L. R. Abrams 1902-8-24 2970 Los Angeles Mesmer (now Fox Hills SSE of Culver City) Comment
  RSA417651  Aster subulatus var. ligulatus Robert Gustafson 1980-9-16 1922 Los Angeles Ballona Wetlands, Area 2. [See map on specimen for precise location.] Comment
  SEINET5344068  Astragalus brauntonii E. Braunton 1907-1 Los Angeles Comment
  UCR11593  Astragalus didymocarpus O. H. Kappler 1946-4-13 1121 Los Angeles Mojave Desert, four miles south of Palmdale 915 Comment
  SBBG125869  Astragalus didymocarpus var. dispermus A. Parikh, N. Gale 2010-6-9 3271 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 3 km NW of State Hwy 14; E Liebre Mtns 1125 Comment
  UCR124425  Astragalus douglasii B. C. Templeton 1932-5-31 4845 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  RSA584966  Astragalus douglasii var. douglasii T. S. Ross 1990-6-1 2762 Los Angeles San Gabriel Mountains, Moody Canyon (a.k.a. 'The Toilet Bowl of Death'): draining northward from Messenger Flats and Mt Gleason. 1159 Comment
  RSA187901  Astragalus gambelianus R. F. Thorne 1966-4-5 35842 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon 106 Comment
  SBBG22647  Astragalus gambelianus S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 637 Los Angeles S of rd to East Pk, on ridge SW of Pk 1245, ca. 0.9 air mi WNW of East Pk 256 Comment
  RSA612285  Astragalus gambelianus L. C. Wheeler 1934-5-14 2589 Los Angeles Mouth San Dimas Canyon, San Gabriel Mountains. 442 Comment
  UC1128812  Astragalus lentiginosus var. variabilis A. D. Gifford 1935-4-12 574 Los Angeles 1 mi w Manzana; Tejon Quad., w of Manzana Comment
  RSA667964  Astragalus leucopsis Peter J. Mehringer 1958-3-8 s.n. Los Angeles Decker Canyon Road, and US 101, Santa Monica Mountains. 15 Comment
  SBBG37887  Astragalus miguelensis M. B. Dunkle 1939-4-5 7267 Los Angeles China Pt Comment
  SBBG98673  Astragalus miguelensis T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5083 Los Angeles sand dunes on coastal terrace at West Cove, SW of the new landing field 6 Comment
  RSA415649  Astragalus pomonensis Cora Mae Life 1923-07 s.n. Los Angeles Lands End. Comment
  RSA599815  Astragalus purshii var. tinctus Steve Boyd, Lauren Raz 1997-3-26 9389 Los Angeles Liebre Mountains region: Summit of Sierra Pelona Ridge near the divide between Martindale Canyon to the north and Spade Spring Canyon to the south. 1377 Comment
  POM246540  Astragalus trichopodus P. A. Munz 1931-3-31 S- 4431 Los Angeles Avalon, Santa Catalina Island. 10 Comment
  SBBG78440  Astragalus trichopodus var. lonchus F. R. Fosberg 1932-5-7 8139 Los Angeles below Coach Rd above Hamilton Cyn 220 Comment
  UC483366  Astragalus trichopodus var. lonchus L. R. Abrams and I. L. Wiggins 1931-7-4 336 Los Angeles White's Landing Channel Islands, , White's Landing (Santa Catalina Island) Comment
  CAS-BOT-BC194042  Astragalus trichopodus var. lonchus Peter H. Raven 1962-5-20 17782 Los Angeles Airport Road on main ridge about 0.5 miles west of Middle Ranch turn-off, Santa Catalina Island Comment
  LA33465  Astragalus trichopodus var. phoxus Peter H. Raven; Henry J. Thompson 1959-5-5 14158 Los Angeles Santa Monica Mountains, Malibu Canyon, 3 mi S of Tapia Park 91 Comment
  RSA600434  Astragalus trichopodus var. phoxus L. C. Wheeler 1931-11-11 349 Los Angeles Santa Monica Mountains: 1 mile SW of Girard. 426 Comment
  CAS-BOT-BC200837  Astragalus trichopodus var. trichopodus F. M. Reed 1909-7-2 s.n. Los Angeles Pebbly Beach - Catalina Island 15 Comment
  RSA653912  Athysanus pusillus Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 905 Los Angeles Verdugo Mountains, northwest side: Northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of and above 210 Fwy and west of fire road, opposite water tank. 457 Comment
  CAS-BOT-BC17507  Athysanus pusillus Barbara Ertter; Jeffrey Strachan 1980-5-18 3441 Los Angeles Angeles National Forest ca 3.5 airmiles southeast of Valyermo, north side of San Gabriel Mountains. 1371 Comment
  UCR164072  Atriplex amnicola Carl Wishner, A. Gale 2005-8-12 2005/08/12.1- 39 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu Lagoon State Beach 3 Comment
  RSA641239  Atriplex argentea L. C. Wheeler 1967-7-23 10151 Los Angeles San Gabriel Mountains: Barrell Spring. Comment
  SBBG77601  Atriplex argentea var. expansa F. R. Fosberg 1931-7-15 5423 Los Angeles isthmus 3 Comment
  RSA3584  Atriplex californica C. B. Wolf 1932-5-12 3601 Los Angeles Santa Catalina Island: between Little Harbor and Cottonwood Creek. 46 Comment
  SEINET3930637  Atriplex canescens Grant D. Brown 1950-3-31 529 Los Angeles 2 miles S. of Caswell on highway #99.; 0 Comment
  UC1136261  Atriplex canescens G. T. Nordstrom 1935-1-8 301 Los Angeles 5.2 mi e and 1.5 mi n Bear Mtn.; Tejon Quad., ne of Bear Mtn. Comment
  CAS-BOT-BC170025  Atriplex confertifolia A. D. E. Elmer 1908-6-1 3691 Los Angeles Lancaster Comment
  RSA586652  Atriplex confertifolia Orlando Mistretta 1995-6-1 1753 Los Angeles San Gabriel Mountains, Carr Canyon, near mouth of Canyon. 945 Comment
  UCR177453  Atriplex confertifolia LeRoy Gross 2005-5-19 2307 Los Angeles Western Mojave Desert, S of Ave A (Kern Count boundary) east of the #14 freeway. south of the city of Rosamond. Between 20th Street W and Sierra Highway. Started at Ave A 728 Comment
  UCR94687  Atriplex confertifolia A. C. Sanders, E. J. Lott 1993-5-6 13944 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  SD66911  Atriplex leucophylla R. Mitchel Beauchamp 1967-3-19 326 Los Angeles Sandy area at West Cove, San Clemente Island. Comment
  UC527389  Atriplex nummularia Carl B. Wolf 1930-12-23 1822 Los Angeles coastal bluffs at Playa del Rey 30 Comment
  JEPS59400  Atriplex phyllostegia W. L. Jepson 1935-4-17 17027 a Los Angeles half mi from Lancaster (w Mohave Desert); west Mohave Desert, <near> Lancaster 716 Comment
  UCR204547  Atriplex rosea R. G. Swinney 2005-8-5 8361 Los Angeles San Gabriel Mtns, Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1566 Comment
  RSA478383  Atriplex rosea F. R. Fosberg 1930-7-7 S- 3156 -a Los Angeles Alamitos Bay 2 Comment
  SEINET4136132  Atriplex semibaccata F. R. Fosberg 1931-3-26 S 4396 Los Angeles Hillside Above St. Catherine Hotel. Santa Catalina Island.; 0 10 Comment
  CAS-BOT-BC176747  Atriplex serenana var. serenana Geo. B. Grant 1901-4-21 s.n. Los Angeles Los Angeles Comment
  RSA0042226  Atriplex triangularis Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-10-22 2997 Los Angeles Santa Catalina Island: Cherry Valley, above beach. 6 Comment
  RSA385384  Avena barbata H. L. Bauer 1928-10-12 s.n. Los Angeles Long Beach. Comment
  HSC9011  Avena fatua John Warner Hosking 1964-10-26 Los Angeles El Camino College Comment
  POM115201  Avena fatua S. M. Tracy 1887-7-5 s.n. Los Angeles Los Angeles. Comment
  RSA251438  Avena fatua R. F. Thorne 1966-4-16 36063 Los Angeles San Clemente Island: Canyon below Lemon Tank near dump, S of Nanny, NE side of island 183 Comment
  IRVC26474  Avena fatua A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26142 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  RSA0060475  Baccharis pilularis R. G. Swinney 2010-8-16 13534 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  UC557665  Baccharis pilularis Nell Murbarger 1936-4-1 156 Los Angeles San Clemente Island 274 Comment
  RSA657104  Baccharis plummerae subsp. plummerae Carl Wishner 2000-10-13 3951 Los Angeles Santa Monica Mountains, Solstice Canyon [Park], south of the creek from picnic area / parking lot. 58 Comment
  POM50720  Baccharis salicifolia L. R. Abrams 1901-04 1393 Los Angeles Tujunga Wash Comment
  SFV16174  Baccharis salicifolia P. A. Krueger 1994-3-28 1 Los Angeles San Gabriel Mountains Little Dalton Picnic Area off Glendora Mountain Road. 330 Comment
  UCR91530  Baccharis salicifolia Scott D. White 1995-2-7 2526 Los Angeles San Gabriel Mtns., Santa Susana Mtns, Sunshine Canyon, directly west of Hwy I-5 just south of interchange with Hwy 14 457 Comment
  UC893724  Baccharis salicifolia subsp. salicifolia I. W. Clokey and E. G. Anderson 1931-3-11 5324 Los Angeles San Gabriel Canyon 900 Comment
  UCR259084  Baccharis sarothroides R. G. Swinney 2010-10-15 14063 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  CAS-BOT-BC100026  Balsamorhiza deltoidea Ernest C. Twisselmann 1959-6-2 5319 Los Angeles Summit of Liebre Mountain 1638 Comment
  UCR149517  Barbarea orthoceras R. G. Swinney 1997-7-17 5682 Los Angeles San Gabriel Mtns., west of Wrightwood, meadow at Big Pines, south of junction of Hwy 2 and Big Pines Hwy 2061 Comment
  RSA0082914  Bassia hyssopifolia Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-5-30 3134 Los Angeles Abalone Cove Reserve, Palos Verdes Nature Preserve. Immediately above beach at foot of cliff. 2 Comment
  RSA593575  Bassia hyssopifolia Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8914 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA85319  Berberis aquifolium var. aquifolium F. W. Peirson 1943-5-15 13462 Los Angeles along small stream bed immediately south and above Big Pines Center 2133 Comment
  UC1126302  Berberis aquifolium var. dictyota Jerome S. Horton 1937-4-22 433 Los Angeles stream below Tanbark; Pomona Quadrangle 792 Comment
  UC854628  Berberis nevinii C. Darland 1932-5-12 Los Angeles San Fernando Comment
  UCR99504  Berberis nevinii Steve Boyd, Mark Elvin 1997-1-25 9126 Los Angeles San Gabriel Mtns., Southern base of the Mtns, upper Western edge of the alluvial fan spilling from the mouth of San Antonio Canyon, just south of Mt. Baldy Road and west of Padua Ave. 543 Comment
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May 31 2011
  RSA0080967  Blitum californicum R. G. Swinney 2010-4-28 12405 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  UCD113416  Bloomeria crocea Kenneth A. Wilson 1961-4-22 1150 Los Angeles Soledad Canyon. Small burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. Comment
  RSA802054  Boechera arcuata Orlando Mistretta, Cher Batchelor, Neal Kramer 2011-7-25 5976 Los Angeles On Rincon Red Box Road, in the vicinity of Newcomb Peak. 1211 Comment
  RSA660805  Boechera californica Gerald Braden, Lori Ackerman 1988-5-19 19 Los Angeles Strawberry Peak. Comment
  RSA668664  Boechera californica Steve Boyd, Michael Denslow 2002-5-9 10437 Los Angeles Just north of Sunset Peak along Sunset Peak Road, head of Spruce Canyon. 1524 Comment
  CAS-BOT-BC14581  Boechera pulchra Louis C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains. Alimony Ridge. 1432 Comment
  UCR94697  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, E. J. Lott 1993-5-6 13991 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  SBBG131582  Bowlesia incana S. A. Junak 2000-4-15 SCa 1211 Los Angeles ridgeline between 2 cyns (one on E side of rd, one on W side), 0.4 mi from Divide Rd, location of bird transect #1 457 Comment
  CDA3637  Brassica nigra L. C. Wheeler 1967-5-18 9654 Los Angeles San Gabriel Mtns., divide between Reynier and Placerita Canyon Comment
  LA105117  Brassica nigra Barry A. Prigge; 1988-7-9 8255 Los Angeles Santa Monica Mountains, Calabasas, 900 ft ESE of N-Junction of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School 374 Comment
  RSA482932  Brassica rapa Freda Detmers 1930-1-18 s.n. Los Angeles In vacant lot, Verdugo near Glendale. Comment
  RSA0126426  Brassicaceae Henry J. Ramsey, Henry J. Ramsey 1937-5-16 2172 Los Angeles Altadena, N. Craig Ave. Comment
  RSA522935  Brickellia californica Timothy S. Ross, Orlando Mistretta 1990-10-24 3295 Los Angeles San Gabriel Mountains: between Venedo and Minero Canyons, 0.6 mi E of the San Gabriel Reservoir. 745 Comment
  RSA792021  Brickellia californica Jane Tirrell 2012-8-31 LS 0168 Los Angeles South side of California State Route 2, on bank of culvert draining Big Rock Creek, approximately 1.5 mi west of Dawson Saddle. 2309 Comment
  RSA729961  Brickellia microphylla R. G. Swinney 1998-10-24 7026 Los Angeles San Gabriel Mtns.: lower North Fork Lytle Creek ('Alpine Canyon'), east of saddle between Dawson Pk. and Pine Mtn. 2146 Comment
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Jun 7 2016
  CAS-BOT-BC106147  Brickellia nevinii Ernest Braunton 1902-7-8 517 Los Angeles Sherman Comment
  LA31689  Brickellia nevinii Peter H. Raven; Henry J. Thompson 1959-10-18 14684 Los Angeles Santa Monica Mountains, Arroyo Sequit, E fork, Yerba Buena Road, 1.0 mi N of Mulholland Hwy 518 Comment
  RSA509618  Brickellia nevinii L. C. Wheeler 1966-11-23 9150 Los Angeles San Gabriel Mountains. Devil's Canyon, near mouth where it suddenly narrows. Comment
  SFV16469  Brickellia nevinii P. M. Schiffman, J. A. Matos 1996-10-22 s. n. Los Angeles San Gabriel Mountains Roadcut along the old Ridge Route between Castaic Lake and Highway 138. Comment
  UCR147848  Brickellia nevinii L. C. Wheeler 1953-9-12 7051 Los Angeles San Gabriel Mountains, South fork Big Rock Creek, near mouth Comment
  SEINET10570602  Brodiaea capitata Howery HOWERY s.n. 1912 Los Angeles Claremont Comment
  UCR190093  Bromus R. G. Swinney 1998-7-30 6585 Los Angeles San Gabriel Mtns., tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle on Glendora Ridge Rd. 1338 Comment
  UCR264687  Bromus arenarius Mitch Provance, Callen Huff 2009-4-28 10742 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  LA13700  Bromus arizonicus Harlan Lewis; 1941-3-19 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  IRVC26367  Bromus carinatus A. C. Sanders, Mark A. Elvin 2003-4-16 26044 Los Angeles Newhall Ranch, near confluence of Castaic Creek and Hasley Canyon Santa Clara River watershed 305 Comment
  SBBG52672  Bromus carinatus F. R. Fosberg 1931-4-3 4484 Los Angeles Pebbly Beach, just above beach near rock crusher in dust and silt from crusher Comment
  SEINET10468524  Bromus carinatus H. Lewis 1941-3-19 Lewis s.n. Los Angeles Faculty hill. Ucla campus. Comment
  RSA311353  Bromus carinatus var. carinatus R. F. Thorne 1969-7-2 38211 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1616 Comment
  RSA675933  Bromus diandrus LeRoy Gross 2003-3-9 793 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway., Between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  RSA715122  Bromus diandrus Daisie Huang 2006-3-9 60309 -2 Los Angeles Vacant lot on Huntington Dr. east of Highland Ave., Duarte, CA. Sunny flat. 165 Comment
  SBBG128332  Bromus diandrus S. Lawrence-Gomez, A. Cheung, D. Kasang, M. Zou, S. Ratay 2011-7-8 38 Los Angeles Deer Valley Trail 92 Comment
  SD31186  Bromus diandrus Edith A. Purer 1931-5-12 956 Los Angeles Palos Verdes Hills, waste ground Comment
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Jul 11 2010
  UCR280683  Bromus diandrus R. G. Swinney 2014-5-27 16671 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  RSA0071929  Bromus diandrus Sabrina Lawrence-Gomez, Alexandria Cheung, Daniel Kasang, Miller Zou, Sarah Ratay 2011-7-8 38 Los Angeles Santa Catalina Island. Deer Valley Trail. 92 Comment
  RSA585947  Bromus grandis Timothy S. Ross, Steve Boyd 1990-5-23 2627 Los Angeles San Gabriel Mountains. Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon 1524 Comment
  POM155634  Bromus hordeaceus M. B. Dunkle 1928-4-10 1842 Los Angeles Santa Catalina Island. Above Parson's. 244 Comment
  POM363876  Bromus hordeaceus Robert Gustafson 1978-6-1 994 Los Angeles Off dirt road leading into Hungry Valley, ca. .3 mile west of the 2-lane Peace Valley Rd., west of Gorman. 1220 Comment
  RSA0085035  Bromus hordeaceus R. G. Swinney 2010-4-30 12444 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  RSA0093474  Bromus hordeaceus Richard G. Swinney 2011-6-7 15066 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy.2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek. 1573 Comment
  SBBG128783  Bromus madritensis subsp. rubens M. L. Hoefs, D. R. Hoefs, H. Greene 1992-4-15 1783 Los Angeles N of Rd between Emerald Bay and Parsons Landing 121 Comment
  LA13834  Bromus madritensis subsp. rubens Marjorie Bowler; 1937-10-27 82 Los Angeles SANTA MONICA MOUNTAINS, UCLA campus. West of women's P.H. field. Comment
  CAS-BOT-BC161858  Bromus rubens L. R. Abrams 1927-4-30 11709 Los Angeles Head of Antelope Valley. Comment
  CAS-BOT-BC161867  Bromus rubens Carl Epling 1931-4-1 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  LA13822  Bromus rubens Carl Epling; M. Epling May 1925 sn Los Angeles Palmdale, 3 mi. SW Comment
  LA206360  Bromus rubens Barry A. Prigge; 1986-3-29 7146 Los Angeles San Gabriel Mountains, S of Canyon Country at Golden Valley X Antelope Valley freeway (State Highway 14) 457 Comment
  RSA706979  Bromus rubens L. M. Prince, N. Refulio 2002-3-25 2 -284 Los Angeles Claremont, Palmer Canyon. ~0.25 km north of Padua Ave. on Palmer Canyon Rd. 450 Comment
  CAS-BOT-BC161602  Bromus sterilis Scott D. White 1997-5-8 5095 Los Angeles San Gabriel Mountains. San Gabriel River Canyon. North of Azusa: canyon bottom and adjacent slopes below San Gabriel Reservoir. 426 Comment
  UCR189721  Bromus tectorum R. G. Swinney 1998-7-10 6374 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  UCR191529  Bromus tectorum R. G. Swinney 1998-7-8 6322 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  RSA0073363  Brugmansia R. G. Swinney 2010-3-16 11958 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA743532  Caesalpinia spinosa Sara L. Crockett 1997-2-19 C- 65 Los Angeles Santa Catalina Island: Behind Kid Ventures building, lining parking lot (along margin of Las Casitas). 27 Comment
  UCD100133  Calandrinia breweri Daryl Koutnik; John Cuti 1978-4-12 350 Los Angeles northeastern Verdugo Mountains near La Tuna Canyon. 609 Comment
  UCR200186  Calandrinia breweri Valerie Soza, Laura A. Moore 2000-5-10 870 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936' 518 Comment
  RSA466533  Calandrinia ciliata M. B. Dunkle 1929-4-21 2138 Los Angeles Santa Catalina Island: Rock Spring Canyon. Comment
  RSA717414  Calandrinia ciliata Gary Kovnat, LeRoy Gross 2003-1-19 2 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace mid meadow. Comment
  RSA594615  Calandrinia ciliata L. C. Wheeler 1967-5-8 9331 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  LA212330  Calendula officinalis A. L. Haines; 1953-2-25 s.n. Los Angeles Cheviot Hills Comment
  CATA1916  Calocedrus decurrens Grant Powell 2014-7-30 3 Los Angeles Santa Catalina Island: Along Middle Ranch Road, about 0.5 miles southwest of Pump House 2 299 Comment
  RSA733392  Calocedrus decurrens R. G. Swinney 2001-6-2 7966 Los Angeles Mojave Desert: Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  CAS-BOT-BC132267  Calochortus catalinae H. M. Hall 1902-5-11 3263 Los Angeles Sierra Santa Monica Comment
  SEINET3884910  Calochortus catalinae K. Dobry 1991-5-4 d 264 Los Angeles Stunt Ranch, Cold Creek Canyon, Santa Monica Mountains.; 0 Comment
  LA22353  Calochortus clavatus Carl Epling; 1926-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  IRVC26957  Calochortus clavatus var. gracilis A. C. Sanders 2003-4-17 26065 Los Angeles Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines NE end of Santa Susana Mtns. 396 Comment
  JEPS17762  Calochortus invenustus Frank W. Peirson 1918-6-17 9 Los Angeles Head of Rock Creek San Gabriel Mountains 1981 Comment
  POM11482  Calochortus invenustus Philip A. Munz 1921-6-17 4651 Los Angeles Swartout Valley 1829 Comment
  RSA596216  Calochortus invenustus Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-15 3407 Los Angeles Slover Canyon: short, steep canyon draining from the Blue Ridge ENE to the head of Lone Pine Canyon 1914 Comment
  RSA249804  Calochortus kennedyi var. kennedyi Robert F. Thorne 1973-5-11 43458 Los Angeles Mojave Desert Slope: 1/4-1/2 mile N of Bobs Gap, N slope of Holcomb Ridge, ca. 2 1/2 miles due S of Llano. 1159 Comment
  RSA377418  Calochortus palmeri var. palmeri Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  CAS-BOT-BC132486  Calochortus plummerae Ernest Braunton 1901-6-5 131 Los Angeles Hills near Sherman Comment
  RSA377426  Calochortus plummerae Louis E. Hoffman 1933-7-10 s.n. Los Angeles Coldwater Canyon (near Colby's Ranch). Sierra Madre Mountains. Comment
  RSA735592  Calochortus plummerae A. Edwards, D. Hughes 2008-6-9 126 Los Angeles Los Angeles County: Sunset Canyon in Verdugo foothills N of Burbank, along a former fire break, in sandy soils mainly on a moderate SE facing slope. In california sagebrush scrub and mixed chaparral vegetation 534 Comment
  CAS-BOT-BC132520  Calochortus striatus R. C. Barneby 1954-5-7 11365 Los Angeles 1 mi. n. of Lancaster 2350 Comment
  RSA735911  Calochortus weedii var. intermedius Justin M. Wood 2008-5-28 4 Los Angeles Brea Canyon, hills to the E of the 57 freeway, adjacent to the SCE powerline tower. Comment
  RSA736007  Calochortus weedii var. intermedius Scott D. White, Justin M. Wood 2008-6-4 12053 Los Angeles Skyline Dr. E of Hacienda Blvd. SCE corridor at proposed tower 42. 366 Comment
  UCR281305  Calycoseris parryi R. G. Swinney 2014-4-17 16086 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  CAS-BOT-BC221402  Calystegia longipes Le Roy Abrams; E. A. McGregor 1908-6-19 385 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  CAS-BOT-BC224314  Calystegia macrostegia subsp. amplissima J. H. Thomas 1949-2-22 4 Los Angeles Wilson's [Wilson] Cove, San Clemente Island Comment
  VVC3379  Calystegia macrostegia subsp. cyclostegia Tim Thomas 1973-5-1 19 Los Angeles Transverse Range, Santa Monica Mountains, upper Cold Creek Road. 267 Comment
  POM3211  Camissonia bistorta George B. Grant 1903-05 s.n. Los Angeles Garvanza. Comment
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Nov 25 2011
  UCR49747  Camissonia bistorta R. Mattoni 1986-1 s.n. Los Angeles South Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  RSA465680  Camissonia bistorta Frances M. Morey 1922-4-14 s.n. Los Angeles Culver City. Comment
  RSA465977  Camissonia boothii subsp. decorticans R. S. Woglum 1930-4-13 s.n. Los Angeles North Hollywood Comment
  RSA0115833  Camissonia californica R. G. Swinney 2011-3-29 14253 Los Angeles San Gabriel Mts.; Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel. 366 Comment
  RSA680171  Camissonia campestris subsp. campestris Scott D. White 2003-6-8 s.n. Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  SBBG33330  Camissonia campestris subsp. campestris A. D. E. Elmer -Jun-1902 3715 Los Angeles Acton Comment
  RSA595678  Camissonia confusa Tim S. Ross, Victor W. Steinmann 1995-5-8 8561 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  POM9305  Camissonia intermedia P. A. Munz, R. D. Harwood 1920-5-17 3968 Los Angeles Topango [Topanga] Canon. Santa Monica Mts. 122 Comment
  RSA0004485  Camissonia intermedia Peter H. Raven 1962-5-1 17517 Los Angeles Mulholland Highway 2.6 miles east of Seminole Hot Springs, Santa Monica Mts. 549 Comment
  RSA703391  Camissonia pallida subsp. pallida Gary D. Wallace, Ann Hiller 1983-5-18 2062 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E. Gypsum area further along road. 945 Comment
  RSA611293  Camissonia palmeri Steve Boyd 1998-4-1 10127 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  SBBG60517  Camissonia strigulosa R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  UC52255  Camissonia strigulosa Pupils of Los Angeles High School Apr. 1903 Los Angeles Los Angeles Comment
  JEPS33689  Camissoniopsis bistorta John Thomas Howell 1928-3-20 3456 Los Angeles Vermont Canyon Los Angeles, Griffith Park Comment
  LA206044  Camissoniopsis cheiranthifolia Carl Epling; March 1925 sn Los Angeles Clifton Comment
  UC73305  Camissoniopsis cheiranthifolia subsp. suffruticosa Pupils of Los Angeles High School May, 1903 Los Angeles near Ocean Park; Santa Monica Comment
  UCSB45374  Camissoniopsis cheiranthifolia subsp. suffruticosa Connor, Mike 1977-6-4 Los Angeles Waterview St., Playa del Rey 30 Comment
  SD124525  Camissoniopsis micrantha J. Sauer, Hart Walter 1980-5-30 6102 Los Angeles Santa Monica Mtns, above Mount St. Mary's College, Brentwood Comment
  SD247461  Camissoniopsis micrantha R. G. Swinney 2010-3-11 11869 Los Angeles San Gabriel Mountins/Verdugo Mountains: flood plain surrounding Haines Canyon wash, from the I-210 Fwy, in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash (Sunland 7.5'Q) 348 Comment
  UC520026  Camissoniopsis micrantha Joseph Andorfer Ewan 1932-5-19 7536 Los Angeles base of hills Playa del Rey Comment
  RSA0113487  Camissoniopsis micrantha Lyman Benson 1945-5-11 11691 Los Angeles Canyon below Johnson's Pasture, Claremont. Mt. Range: San Gabriel. 548 Comment
  SBBG61351  Camissoniopsis pallida R. Hoffmann 1929-4-27 Los Angeles Little Rock Dam Comment
  UC855940  Cardamine californica var. californica I. W. Clokey, E. G. Anderson 1931-3-11 5323 Los Angeles San Gabriel Canyon 1200 Comment
  RSA162707  Cardamine californica var. californica J. Olmstead 1960-2-24 1106 Los Angeles Wolfskill Canyon at junction with San Dimas Canyon 518 Comment
  RSA801743  Cardaria pubescens D. M. McF, G. C. F. 1954-5-18 s.n. Los Angeles A and 70th. Lancaster. 762 Comment
  POM434  Cardionema ramosissimum Daniel L. Crawford, H. D. Hiatt 1916-3-30 s.n. Los Angeles Santa Monica, fields near city. Comment
  CAS-BOT-BC282956  Carduus nutans G. W. Garrettson 1954-6-24 s.n. Los Angeles San Vinsente Ranch, Walnut Comment
  SBBG128814  Carduus pycnocephalus M. L. Hoefs, S. A. Junak, A. Fone 1995-11-8 2529 Los Angeles below airport runway, by Buffalo Springs Reservoir 438 Comment
  UCR210027  Carex R. G. Swinney 2008-7-12 9180 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon 622 Comment
Read comments
Sep 12 2018
  RSA729951  Carex alma R. G. Swinney 1999-5-8 7127 Los Angeles San Gabriel Mtns.: Pinon Hills, Boneyard Canyon near spring not shown on topo, very near LA Co. line. 1463 Comment
  UCR210218  Carex alma R. G. Swinney 2008-8-14 9435 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  UCR210226  Carex alma R. G. Swinney 2008-9-10 9423 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  UCR242850  Carex alma R. G. Swinney 2009-8-8 11505 Los Angeles Transverse Range; San Gabriel Mtns., 0.2-1 mi. north of summit of Pacifico Mtn., SE fork of Santiago Canyon 2055 Comment
  UCR270846  Carex alma R. G. Swinney 2011-6-29 15358 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  UC1133495  Carex alma Jerome S. Horton 1936-5-26 342 Los Angeles Tanbark Flat 853 Comment
  JEPS45927  Carex barbarae Louis C. Wheeler 1936-6-21 4169 Los Angeles W Fork Palmer Canyon, San Gabriel Mountains 640 Comment
  RSA364721  Carex fracta I. M. Johnston 1917-7-31 1505 Los Angeles San Antonio Mts. Icehouse Canon. 1982 Comment
  UCR182637  Carex fracta R. G. Swinney 1997-7-23 5729 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  SD90320  Carex heteroneura R. F. Thorne, M. Z. Thorne 1969-7-10 38366 Los Angeles San Gabriel Mountains; Angeles National Forest; bottom of cold, snow-melt gully, northwest facing slope near Lodgepole Picnic Ground; ca. 1.5 miles southeast of Dawson Saddle along Angeles Crest Highway. 2316 Comment
  SBBG59309  Carex mariposana I. M. Johnston 1917-7-4 1399 Los Angeles Baldy Summit, San Antonio Mtns 3048 Comment
  RSA774597  Carex multicaulis Orlando Mistretta, Christine Mistretta 2010-6-10 5291 Los Angeles North Fork Mill Creek. Forest Service Route 3N27, 4.33 road miles (2.07 air miles), S of intersection with Forest Route 3N17 (Mt. Gleason Road), along Southern California Edison transmission line corridor. 1229 Comment
  UCR186941  Carex praegracilis A. C. Sanders 2006-4-10 32001 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  CAS-BOT-BC118404  Carex praegracilis Fay A. Mac Fadden 1934-3-20 12525 Los Angeles Culver City Marshland. Comment
  CAS-BOT-BC117930  Carex schottii Louis C. Wheeler 1933-5-12 1722 Los Angeles Puddingstone Canyon, San Jose Hills. 243 Comment
  RSA776733  Carex spissa Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11682 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA579142  Carpobrotus edulis T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7400 -B Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive; 174 Comment
  SD40049  Carpobrotus edulis Edith A. Purer 1932-4-28 2777 Los Angeles El Segundo Comment
  RSA604513  Castilleja affinis Sara L. Crockett, Sheila Schueller 1997-3-8 561 Los Angeles Santa Catalina Island. Point overlooking Cottowood Beach. 79 Comment
  RSA555192  Castilleja angustifolia Robert F. Thorne 1973-5-11 43536 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  RSA638864  Castilleja applegatei subsp. martinii Valerie L. Soza, Laura Moore 1999-6-30 594 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  RSA81468  Castilleja applegatei subsp. martinii F. W. Peirson 1921-7-17 2505 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2012 Comment
  POM98087  Castilleja applegatei subsp. martinii M. Hill 1925-4-27 s.n. Los Angeles San Antonio Canyon. San Antonio Mountains. 1067 Comment
  LA212390  Castilleja densiflora subsp. gracilis Louis C. Wheeler; 1933-4-2 1585 Los Angeles La Verne. 289 Comment
  UC1063259  Castilleja exserta Jerome S. Horton 1939-5-17 542 Los Angeles 0.25 mi se San Dimas Reservoir (San Dimas Climatic Station); San Dimas Canyon, Pomona Quad. 457 Comment
  UCR150962  Castilleja exserta Sandra L. Leatherman, Brian Daniels 1998-11-10 58 Los Angeles Bouquet Canyon: directly west of the intersection of Bouquet Canyon Rd. and Vasquez Canyon Rd 488 Comment
  UCR155141  Castilleja exserta A. C. Sanders 2005-5-5 29944 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  UC885215  Castilleja foliolosa Ira W. Clokey, B. Templeton May 1929 4484 Los Angeles Mandeville Canyon; Santa Monica Mountains 250 Comment
  UC885216  Castilleja foliolosa Ira W. Clokey, B. Templeton May 1929 4470 Los Angeles Mandeville Canyon; Santa Monica Mountains 300 Comment
  UCR182692  Castilleja miniata R. G. Swinney 1997-7-16 5672 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  RSA733662  Castilleja miniata subsp. miniata R. G. Swinney 1998-7-24 6565 Los Angeles San Gabriel Mtns.: Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge. 2200 Comment
  RSA81474  Castilleja minor subsp. spiralis F. W. Peirson 1951-9-1 211 Los Angeles Arroyo Seco, Pasadena Comment
  PASA987  Castilleja montana Frank W. Peirson 1921-7-17 Los Angeles Praire Fork of the San Gabriel River 2133 Comment
  LA51322  Caulanthus coulteri Carl Epling; May 1927 sn Los Angeles Tehachapi Mountains Comment
  SEINET7991928  Caulanthus inflatus Louis C. Wheeler 1973-4-20 No determinado Los Angeles San Gabriel Mountains, Edge of Antelope Valley. 40th Street E, between Californi Comment
  CAS-BOT-BC40213  Caulanthus lasiophyllus LeRoy Abrams 1899-3-1 243 Los Angeles Ballona Harbor. Comment
  UCR200189  Caulanthus lasiophyllus Valerie Soza, Laura A. Moore 2000-5-10 871 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936' 518 Comment
  LA41958  Ceanothus arboreus F. R. Fosberg; 1932-5-6 8126 Los Angeles Santa Catalina Island, Big Wash Canyon, Avalon 25.0 Comment
  UC1302359  Ceanothus arboreus Robert F. Thorne and P. C. Everett 1964-2-6 33293 Los Angeles above Fourth of July Cove Santa Catalina Island 30 Comment
  CAS-BOT-BC48732  Ceanothus crassifolius Tim Ross; Orlando Mistretta 1993-5-27 7319 Los Angeles W end of the San Gabriel Mtns: southwesterly draw 1200 ft WSW of May Canyon Saddle. 1060 Comment
  RSA550409  Ceanothus crassifolius Tim S. Ross, Peter Fritsch 1990-6-20 3591 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  UCSB7116  Ceanothus crassifolius Haller, John 1950-3-12 Los Angeles San Gabriel Mtns. ridge between Big Dalton and San Dimas Canyons 914 Comment
  SBBG17034  Ceanothus crassifolius var. crassifolius K. A. Wilson, D. E. Bianchi 1961-2-2 842 Los Angeles Placerita Rd; small gully 2 mi E of Hwy 6 Comment
  CHSC26062  Ceanothus crassifolius var. planus T. Ambrose 1966-3-27 13 Los Angeles 1 mile from Soledad Canyon Road on Aliso Canyon Road in Anaverde Valley. 914 Comment
  RSA399032  Ceanothus greggii var. vestitus W. Hutchinson 1921-05 s.n. Los Angeles Bouquet Canyon. Comment
  SD65472  Ceanothus greggii var. vestitus Reid Moran 1967-7-22 14083 Los Angeles on ridge; Chilao, San Gabriel Mountains 1650 Comment
  CAS-BOT-BC50163  Ceanothus integerrimus Herman Knoche 1919-6-14 Series A, No. 853 Los Angeles Mt. Lowe 1828 Comment
  CAS-BOT-BC523909  Ceanothus leucodermis R. G. Swinney 2011-7-8 15521 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest) of three natural depressions at the N base of Strawberry Peak 1182 Comment
  RSA313418  Ceanothus leucodermis T. S. Elias 1984-4-29 8335 Los Angeles Angeles National Forest; Glendora Ridge near Baldy Camp; along forest service road above ridge road Comment
  NY43794  Ceanothus megacarpus subsp. insularis J. B. Walker 1995-12-3 1809 Los Angeles Santa Catalina Island, on Airport Rd, just N of Black Jack Cutoff 120 Comment
  RSA234632  Ceanothus megacarpus var. insularis Robert F. Thorne 1970-3-5 39365 Los Angeles Santa Catalina Island. N slope of Blackjack Mountain. 457 Comment
  LA32017  Ceanothus megacarpus var. megacarpus Peter H. Raven; 1959-2-15 13788 Los Angeles Santa Monica Mountains, Brown Canyon, 2.6 mi N of Sunset Blvd on Beverly Glen Blvd 213 Comment
  SDSU19648  Ceanothus megacarpus var. megacarpus Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2206 Los Angeles San Clemente Island, south side of Eagle Canyon. 457 Comment
  CAS-BOT-BC50493  Ceanothus oliganthus Tim Ross; Steve Boyd 1991-4-25 4602 Los Angeles San Gabriel Mtns: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.) 530 Comment
  RSA640256  Ceanothus oliganthus var. oliganthus Robert F. Thorne 1971-4-23 41462 Los Angeles San Gabriel Mountains, Angeles National Forest: Chantry Flats, along trail to Santa Anita Canyon. 610 Comment
  CAS-BOT-BC63348  Ceanothus spinosus Ernest Braunton 1902-5-27 272 Los Angeles Sherman. Comment
  CLARK-A1528-3900  Ceanothus spinosus John C. Roos 1942-3-14 997 Los Angeles Santa Monica Mountains Comment
  UCR133584  Ceanothus spinosus Tema S. Clare 1929-2-25 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Santa Monica Canyon 305 Comment
  RSA0028423  Ceanothus verrucosus Doris Bowers 1957-3-6 630 Los Angeles LaVerne College lawn (University of LaVerne) 457 Comment
  UCR138906  Cenchrus incertus L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mtns, Mountain Brook Ranch 1159 Comment
  CAS-BOT-BC272064  Centaurea melitensis T. Mosquin 1959-5-30 3303 Los Angeles Hills west of Avalon, Catalina Island Comment
  RSA550406  Centaurea melitensis Timothy S. Ross, Peter Fritsch 1990-6-20 3594 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA656178  Centaurium venustum Joseph M. Keefe 1978-6-4 23330 Los Angeles Verdugo Mountains: 100 m east of Cafeteria, Glendale College, 1500 North Verdugo Road, Glendale, San Rafael Mountains. 287 Comment
  CAS-BOT-BC179811  Centrostegia thurberi Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9481 Los Angeles 4 miles NE of Lancaster on the Muroc Road Comment
  SBBG62310  Centrostegia thurberi R. Hoffmann 1929-5-20 Los Angeles Redman Comment
  LA38637  Cerastium glomeratum Henry J. Thompson; 1959-11-23 3008 Los Angeles Santa Monica Mountains, Franklin Canyon, S shore of upper Franklin Canyon Reservoir 259 Comment
  SBBG119358  Ceratophyllum demersum L. C. Wheeler 1946-8-24 6232 Los Angeles Crystal Lake 1676 Comment
  PASA1216  Cercocarpus betuloides Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  UCR129428  Cercocarpus betuloides A. C. Sanders, Mark Elvin 2002-6-20 25209 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR197732  Cercocarpus betuloides Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 38 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  RSA592168  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1967-5-2 9277 Los Angeles San Gabriel Mountains. North side foothills ca. 0.3 mi. west of LA Aqueduct, just south of San Clarito Hospital. 'Baker Ranch' on Los Angeles County firearms closure map. 396 Comment
  RSA3561  Cercocarpus betuloides var. blancheae Carl B. Wolf 1932-5-10 3505 Los Angeles Santa Catalina Island. Avalon Canyon, above the E almond orchard. 122 Comment
  UC1184985  Cercocarpus betuloides var. blancheae Huron H. Smith 1912-6-12 5096 Los Angeles Cherry Canyon, Santa Catalina Island Cherry Canyon; Santa Catalina Island, Cherry Canyon 304 Comment
  UC453983  Cercocarpus betuloides var. blancheae I. J. Condit 1908-6-29 Los Angeles Santa Catalina Island Comment
  SD69027  Cercocarpus betuloides var. blancheae Robert F. Thorne, D. Propst 1968-5-29 37693 Los Angeles Santa Catalina Island: North slope of Black Jack Mountain, at upper end Swain's Canyon towards Echo Lake. 395 Comment
  CAS-BOT-BC279517  Chaenactis artemisiifolia Samuel B. Parish 1887-6-1 1933 Los Angeles Glendale, near Los Angeles Comment
  CAS-BOT-BC279520  Chaenactis artemisiifolia Tim Ross; Orlando Mistretta 1993-5-27 7326 Los Angeles W end of the San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 768 Comment
  UC894407  Chaenactis artemisiifolia Louis C. Wheeler 1932-6-12 822 Los Angeles w slope San Dimas Canyon San Gabriel Mountains 548 Comment
  CAS-BOT-BC32710  Chaenactis aurea LeRoy Abrams 1901-7-1 1890 Los Angeles Wilson's Peak Comment
  RSA585335  Chaenactis fremontii Timothy S. Ross 1991-4-27 4723 Los Angeles Black Butte: easterly and northeasterly slopes 1082 Comment
  RSA717340  Chaenactis glabriuscula Scott D. White, Pam De Vries 2006-5-9 11385 Los Angeles SE Tehachapi Mtns: Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  SD132001  Chaenactis glabriuscula Barbara Ertter, L. Heckard, et. al. 1988-5-23 7476 Los Angeles Pine Canyon Road, along San Andreas fault on north side of San Gabriel Mountains. Comment
  SD13113  Chaenactis glabriuscula var. denudata Edith A. Purer 1935-5-11 6593 Los Angeles Hillside, Santa Monica Mountains. Comment
  CAS-BOT-BC277371  Chaenactis glabriuscula var. glabriuscula Le Roy Abrams 1899-4-1 211 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC277383  Chaenactis glabriuscula var. glabriuscula Louis Wheeler 1933-7-4 1901 Los Angeles San Dimas Canyon, San Gabriel Mts. 640 Comment
  UC894476  Chaenactis glabriuscula var. glabriuscula Mrs. Jos. Clemens 1922-5-30 Los Angeles base of Mt. Wilson Comment
  SFV21066  Chaenactis glabriuscula var. glabriuscula L. Gross 2001-5-6 381 Los Angeles Verdugo Mountains Along trail that comes up from Morning Glow Way off of La Tuna Canyon Road in city of Sun Valley. Comment
  UCR120619  Chaenactis glabriuscula var. tenuifolia Steve Boyd, T. S. Ross 1988-4-28 2231 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  RSA632858  Chaenactis santolinoides R. F. Thorne, Robert Frampton 1971-6-27 40984 Los Angeles San Gabriel Mountains: Angeles National Forest, East slope West Baldy Peak, along trail from bowl. 2987 Comment
  RSA729351  Chaenactis stevioides R. G. Swinney 1999-5-1 7086 Los Angeles San Gabriel Mtns./Mojave Desert: Graham Canyon, 2.4 miles south of Ft. Tejon Rd., c. 200 m north of Mescal Highlands Rd. 1341 Comment
  JEPS30565  Chaenactis xantiana Donald M. Kyhos 1957-4-30 57 -133 Los Angeles Gorman Comment
  RSA599798  Chaenactis xantiana Steve Boyd, Lauren Raz 1997-3-25 9290 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
Read comments
Jul 18 2007
  POM13533  Chaenactis xantiana F. W. Peirson 1922-7-5 3163 Los Angeles Summit of Le Montaine, north of Big Pines, north side of San Gabriel Mountains 2209 Comment
  UC126734  Chamaesyce maculata Geo. B. Grant 1905-9-2 6417 Los Angeles Pasadena Comment
  CDA35246  Chamaesyce melanadenia Phillipson 1915-5-8 Los Angeles Duarte Comment
  POM6858  Chamaesyce melanadenia P. A. Munz, L. T. Street, G. Williams 1919-3-8 2288 Los Angeles Dry gravelly ridge in San Juan hills near Pomona. Comment
  RSA526481  Chamaesyce melanadenia T. S. Ross 1991-3-24 4321 Los Angeles Whittier Hills (Puente Hills, pro parte). 293 Comment
  RSA512038  Cheilanthes covillei L. C. Wheeler 1967-5-23 9709 Los Angeles At mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  RSA641505  Cheilanthes covillei L. C. Wheeler 1967-8-25 10537 Los Angeles Angeles National Forest: near Reed Spring, South Fork Big Rock Creek, E side Mt. Williamson 1859 Comment
  UCSC001061  Cheilanthes covillei Peter Kamb 1948-5-6 960 Los Angeles Desert foothills of the San Gabriel Mts. above Little Rock. - San gabriel Mts., Little Rock 975 Comment
  RSA685794  Cheilanthes newberryi M. B. Dunkle 1939-4-4 s.n. Los Angeles San Clemente Island. Comment
  UC557639  Cheilanthes newberryi Nell Murbarger March, 1936 40 Los Angeles from e side to mesa summit San Clemente Isl (also along parts of w coast) Comment
  UCR186400  Chenopodium ambrosioides T. B. Salvato, Sarah Flack 2007-8-8 3044 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  RSA423306  Chenopodium ambrosioides E. Crow 1928-4-11 236 Los Angeles Puddingstone Canyon Hills, S of San Dimas. Comment
  RSA423309  Chenopodium ambrosioides F. R. Fosberg 1930-7-7 S 3169 Los Angeles Alamitos Bay 5 Comment
  RSA607501  Chenopodium berlandieri L. C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. & San Diego Fwy, between Sepulveda & 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.] Comment
  UC1980197  Chenopodium berlandieri R. Old 2003-3-20 sn Los Angeles USA. CALIFORNIA. Los Angeles. Santa Monica / Los Angeles vicinity. Comment
  SDSU5602  Chenopodium californicum R. M. Beauchamp 1967-1-28 134 Los Angeles 1/2 mile southeast of Eel Point. San Clemente Island. Comment
  RSA0056246  Chenopodium leptophyllum Orlando Mistretta, Mike Hammitt 1991-4-15 s.n. Los Angeles San Francisquito Canyon. 543 Comment
  LA201083  Chenopodium pumilio Louis C. Wheeler; 1932-7-2 Los Angeles San Gabriel Mountains, San Dimas Canyon 457 Comment
  RSA604690  Chenopodium pumilio L. C. Wheeler 1967-9-29 s.n. Los Angeles Ridge 1/2 mile WNW Pine Mountain. 1249 Comment
  SFV21449  Chlorogalum pomeridianum var. pomeridianum L. Gross, V. Soza, S. Tessel 2001-6-4 405 Los Angeles Verdugo Mountains Northwest side of mountains. Verdugo Crestiline Drive (fire road) just north of the 210 Freeway. Enter on the west side at Topley Lane off of Newhome Ave. in Sunland. Cleared area just north of rife road. Cleared for fire safety (as close to homes). 427 Comment
  UCR126635  Chorizanthe coriacea A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26052 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UCR126776  Chorizanthe parryi var. fernandina Mark A. Elvin, Vipul Joshi, Tricia Wotipka 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns., Newhall Ranch, ridge c. 900 m SW of 'Airport Mesa 366 Comment
  CAS-BOT-BC244805  Chorizanthe staticoides J. Ewan 1929-6-21 3645 Los Angeles Verdugo Canyon, south end. Dry, hard ground of fire-break 548 Comment
  RSA164782  Chorizanthe staticoides Wesley O. Griesel, B. Miller 1963-7-2 s.n. Los Angeles Old Ridge Route between Violin Summit and Reservoir Lookout. 1067 Comment
  RSA681892  Chorizanthe staticoides Scott D. White, Michael Honer 2003-6-18 9568 Los Angeles Liebre Mountains: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. 549 Comment
  SBBG62280  Chorizanthe staticoides J. Ewan 1929-5-25 Los Angeles Cahuenga Pk 556 Comment
  UC54947  Chorizanthe staticoides H. P. Chandler 1902-6-3 2005 Los Angeles Brush Canyon near Cahuenga Peak; Brush Canyon near Cahuenga Peak Comment
  UC635061  Chorizanthe staticoides Margaret Stason 1927-5-14 Los Angeles Bouquet Canyon , Bouquet Canyon (San Gabriel Mountains) Comment
  UCR154028  Chorizanthe staticoides A. C. Sanders 2005-5-11 30198 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  RSA590667  Chorizanthe watsonii Tim S. Ross, S. D. Boyd 1990-5-29 2693 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd, then S of the road 1137 Comment
  UCR48838  Chrysanthemum coronarium David Charlton 1987-6-15 1081 Los Angeles Lomita, Alexander Fleming Jr. High School, near Walnut Street and 256th St. Nearest main streets are Pacific Coast Hwy and Western Ave. 15 Comment
  RSA476624  Chrysolepis sempervirens Fordyce Grinnell Jr. 1915-8-12 s.n. Los Angeles Mill Creek Canyon Comment
  RSA623960  Chrysolepis sempervirens Arthur R. Kruckeberg 8639 Los Angeles Islip - San Gabriel Mts. 2512 Comment
  UCR124727  Chrysolepis sempervirens B. C. Templeton 1932-7-21 5031 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  RSA594193  Chrysothamnus nauseosus subsp. mohavensis Steve Boyd, Lauren Raz 1996-10-14 9096 Los Angeles Liebre Mountains region, extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 991 Comment
  SBBG12513  Cirsium occidentale var. californicum P. H. Raven 1962-4-10 17186 Los Angeles above Wilson Cove 60 Comment
  UCSB7234  Cirsium occidentale var. californicum Wedberg, H. 1958-4-26 Los Angeles Four miles west of fire station west of Beverly Glen on Mulholland Drive, Santa Monica Mts. Comment
  RSA0070683  Cirsium occidentale var. californicum Timothy S. Ross, Peter W. Fritsch 1990-6-20 3676 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  SD90227  Cirsium occidentale var. occidentale Benjamin C. Stone May 1952 43 Los Angeles Blanchard Park, Claremont. 334 Comment
  RSA585347  Cistanthe monandra Timothy S. Ross 1991-4-27 4633 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  RSA594758  Cistus incanus subsp. creticus T. S. Ross 1995-4-7 8356 Los Angeles Templin Highway ca. 100-250 ft NE of its inter- section with the Old Ridge Route (near the headwaters of Violin Canyon). 866 Comment
  SEINET12235911  Citrus W. F. Wight 1909-1 3566 Los Angeles San Dimas Comment
  LA82396  Clarkia bottae O. H. Kappler; 1941-6-2 41 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA73303  Clarkia bottae F. W. Peirson 1917-5-1 2087 Los Angeles Topanga Canyon, Santa Monica Mountains. Comment
  RSA584856  Clarkia dudleyana Tim S. Ross 1993-6-1 7359 Los Angeles Just NW of Chantry Flat along Upper Winter Creek Trail. 732 Comment
  RSA652703  Clarkia dudleyana Phillip Robinson 1991-5-19 371 Los Angeles Sycamore Canyon, 0.25 miles south of intersection of Beverly Blvd and Workman Mill. 2.2 miles east of Workman Mill Road on trail into Canyon. At end of right fork of trail at the foor of the canyon., City of Industry, SW of Rio Hondo College, E of 605 F. Comment
  POM50317  Clarkia epilobioides L. R. Abrams 1901-6-4 1706 Los Angeles Los Tunas Canyon. Comment
  RSA0011523  Clarkia rhomboidea Orlando Mistretta, Christine Mistretta 2011-6-23 5724 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  LA45671  Clarkia unguiculata A. M. Johnson; 1934-5-4 4469 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  UC61541  Clarkia unguiculata Ernest Braunton June 1903 896 Los Angeles Glendale to Burbank Comment
  RSA0080435  Claytonia parviflora R. G. Swinney 2010-5-19 12796 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  SFV22006  Claytonia parviflora subsp. parviflora V. Soza, L. Gross, A. Munoz 2000-5-12 885 Los Angeles Verdugo Mountains Northeast side of Verdugo Mountains. Glendale, Engleheard Canyon, Camp Max Strauss at end of Shirlyjean Street. Fire road south from Engleheard Canyon to power lines. Northeast-facing slope alongside trail to fire road. 396 Comment
  LA52245  Clematis lasiantha E. Lloyd; 1933-4-8 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  SBBG17335  Clematis lasiantha K. A. Wilson 1961-2-18 863 Los Angeles Decker Rd 1 mi N of jct of E portion of Mulholland Hwy Comment
  SFV1262  Clematis lasiantha K. A. Wilson 1961-2-18 863 Los Angeles Santa Monica Mountains Decker Road, 1 mile north of junction of eastern portion of Mulholland Highway. Comment
  UCD95608  Clematis lasiantha A. D. Gifford 1934-4-4 67 Los Angeles 1/3 mile N.E. of Oat Mt. 944 Comment
  UCR208918  Clematis lasiantha P. H. Raven, R. F. Thorne 1964-5-7 19008 Los Angeles Transverse Ranges; Santa Monica Mountains, Saddle Rock Ranch, near Seminole Hot Springs 610 Comment
  RSA0051760  Clematis lasiantha Lee Haines 1951-4-15 517 Los Angeles Topanga Canyon. 152 Comment
  RSA0080741  Clematis ligusticifolia R. G. Swinney 2010-8-11 13516 Los Angeles Big Santa Anita Canyon, 100-200 m below Chantry Flats on Chantry Flat Trail/Rd. 598 Comment
  CAS-BOT-BC92649  Clematis ligusticifolia A. J. McClatchie 1895-8-1 s.n. Los Angeles San Gabriel Creek. Comment
  RSA762455  Clematis pauciflora R. G. Swinney 2009-2-20 10022 Los Angeles Mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel. 177 Comment
  POM11698  Cleome isomeris Katherine Brandegee 1916-05 s.n. Los Angeles Catalina Island. Comment
  UCR214034  Collinsia bartsiifolia var. davidsonii A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37952 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  JEPS1762  Collinsia heterophylla C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-5-13 4749 Los Angeles Bouquet Canyon 700 Comment
  RSA599457  Collinsia heterophylla Steve D. Boyd, Lauren Raz, T. S. Ross 1997-4-1 9498 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of 'Osito Flat', a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  SD152597  Collinsia parryi Craig Reiser 1999-4-9 Los Angeles Canyon ca. 1 mile west of Magic Mountain amusement park Comment
  RSA0117339  Collinsia parryi E. Crow 1928-5-2 279 Los Angeles San Antonio Canyon, San Gabriel Mountains. So. Calif. Comment
  LA46185  Comarostaphylis diversifolia subsp. diversifolia K. Kneen; 1933-8-25 6212 Los Angeles Santa Monica Mountains Comment
  SBBG96749  Constancea nevinii S. Boyd with A. Arnseth 1990-4-7 4280 Los Angeles lower half of China Cyn Comment
  RSA394789  Convolvulus arvensis M. B. Dunkle 1928-5-13 1947 Los Angeles Middle Ranch Canyon. 198 Comment
  JEPS30431  Conyza canadensis Peter H. Raven and Henry J. Thompson 1959-10-18 14667 Los Angeles mouth of Medea Creek (n arm of Malibu Lake); Santa Monica Mountains, Malibu Lake, Medea Creek 220 Comment
  RSA587187  Conyza canadensis Scott D. White 1995-12-5 3765 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  RSA757074  Cordylanthus nevinii R. G. Swinney 2008-9-12 9448 Los Angeles Kratka Ridge, 0.3 mi. east of Cedar Springs, just south of Conservation Camp 37 2088 Comment
  UC1012419  Cordylanthus rigidus subsp. setiger F. W. Pennell and F. W. Peirson 1940-8-23 26467 Los Angeles Mount Wilson 1676 Comment
  SEINET2050077 Image available Coreopsis californica A. C. Sanders, G. Helmkamp 1996-3-24 18021 Los Angeles Mojave Desert: Ave. J, 3.3 mi. W of 240th St., E, just NE of Saddleback Butte. 890 Comment
  UC53937  Coreopsis californica var. californica Ernest Braunton 1902-3-1 160 Los Angeles Eagle Rock Valley Comment
  UC133523  Coreopsis californica var. californica Miss Alice Eastwood 1903-4-15 4090 Los Angeles Comment
  CAS-BOT-BC287945  Coreopsis calliopsidea Carl B. Wolf 1937-4-28 8522 Los Angeles Western Mojave Desert. Antelope Valley, 3.6 miles S of Palmdale 853 Comment
  CAS-BOT-BC101025  Coreopsis gigantea Reid Moran 1941-2-26 626 Los Angeles Indian Rock, Wilson's Harbor, Santa Catalina Id. Comment
  JEPS70073  Corethrogyne filaginifolia L. R. Heckard 1971-9-30 2853 Los Angeles 10 air mi nw Castaic (Oak Flats Campground n of Whitaker Summit); Oak Flats Campground 640 Comment
  UC1348915  Cornus sericea subsp. sericea Robert F. Thorne and John Olmsted 1965-8-26 35422 Los Angeles woods along Prairie Fork; San Gabriel Mts., Angeles Nat'l forest, Prairie Fork 1584 Comment
  RSA533502  Coronilla valentina T. S. Ross 1991-3-9 4204 Los Angeles Whittier Hills (Puente Hills, pro parte) : Skyline drive at the head of Turnbull Canyon. 348 Comment
  LA201171  Coronopus didymus Arthur C. Gibson; 2003-5-4 4703 Los Angeles 518 Comment
  UCD95110  Corydalis caseana subsp. caseana Milo S. Baker 1935-6-25 s.n. Los Angeles near Junction of Highways 39 and 89. Comment
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Jun 23 2016
  RSA592221  Cotula australis L. C. Wheeler 1967-4-30 9228 Los Angeles Limekiln Canyon 564 Comment
  RSA682165  Crassula colligata subsp. lamprosperma B. Muns 2002-5-28 s.n. Los Angeles Santa Fe Dam Recreation Area, old San Gabriel River floodplain, on side of road leading to the Lario San Gabriel River Trail parking area, just north of Foothill Blvd. in the city of Irwindale. Comment
  POM142927  Crassula connata L. R. Abrams 1901-04 1208 Los Angeles Ballona Harbor Comment
  SBBG37879  Crassula connata R. Moran 1941-2-19 568 Los Angeles Middle Ranch Comment
  UCR124410  Crassula connata B. C. Templeton 1968-2-25 11395 Los Angeles Channel Islands, Santa Catalina Island, near the isthmus 76 Comment
  RSA723434  Crassula connata var. erectoides M. B. Dunkle 1929-4-21 2139 Los Angeles Santa Catalina Island: Rock Spring Canyon. Comment
  UC557689  Crassula connata var. eremica Nell Murbarger 1936-3-1 160 Los Angeles San Clemente Isl. Comment
  UCR142772  Crassula tillaea L. C. Wheeler 1967-4-23 9193 Los Angeles San Gabriel Mtns, N slope of Sunset Ridge at edge of firebreak by Millard Canyon 610 Comment
  UCR182479  Crepis acuminata R. G. Swinney 1997-7-17 5687 Los Angeles San Gabriel Mtns., summit of Table Mountain, NW of Wrightwood 2277 Comment
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Aug 23 2013
  RSA0039068  Cressa truxillensis Jeremiah George, Audrey S. George 2014-7-24 s.n. Los Angeles Carson, just west of intersection of East Carson St. and North Avalon Blvd. 23 Comment
  RSA4798  Cressa truxillensis James Snow 1932-1 s.n. Los Angeles Plants of the Bryant Ranch, near Long Beach. Collected for correlation with a soil survey by the Association Laboratory, Anaheim. Station #3. Plant #2. Comment
  CAS-BOT-BC175824  Crossosoma californicum Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7411 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive 164 Comment
  POM219970  Crossosoma californicum F. R. Fosberg 1932-5-5 8119 Los Angeles Canyon above Villa Park. Avalon, Catalina Island 40 Comment
  CHSC93232  Croton californicus John Dittes 2005-11-26 1300 Los Angeles Western Transverse Ranges; San Gabriel Mtns.; Big Tujunga Cyn; ca. 2.7 air-miles SE of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. Highschool; wash of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  RSA480559  Croton californicus Howard Mullins 1931-3-27 s.n. Los Angeles El Segundo. Comment
  RSA480566  Croton californicus Ora M. Clark 1928-12-23 1382 Los Angeles Hermosa. Comment
  SFV2074  Croton californicus R. L. Armacost May 1934 s. n. Los Angeles Playa del Rey. Hills east of Loyola University. 45 Comment
  UC303793  Croton californicus S. B. Parish 1918-6-5 11874 Los Angeles Playa del Rey Comment
  RSA303600  Croton californicus J. R. Shevock 1970-12-31 582 Los Angeles E. of Lupe Canyon 572 Comment
  UCR217341  Crypsis schoenoides David Charlton 2009-9-7 s.n. Los Angeles Western Mojave Desert, Piute Ponds, Edwards Air Force Base, along shores of Ducks Unlimited ponds in SW corner of area 698 Comment
  UCR260892  Cryptantha A. C. Sanders 2008-4-10 34817 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  RSA709627  Cryptantha barbigera LeRoy Gross 2005-4-28 2123 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.)., East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  PASA1979  Cryptantha circumscissa Frank W. Peirson 1919-5-10 Los Angeles Arraster Creek, San Gabriel Mts. 838 Comment
  POM368336  Cryptantha circumscissa George R. Johnstone 1926-4-24 s.n. Los Angeles Antelope Valley, foothills S. of valley. Comment
  POM368339  Cryptantha circumscissa N. C. Cooper 1948-4-21 2725 Los Angeles Little Rock. 762 Comment
  UCD119611  Cryptantha circumscissa Steve Mason 1993-5-1 27 Los Angeles Sufur Springs Road, 200 feet up road from Angeles Creek Highway, restroom parking lot to left on edge of slope looking down at Angeles Crest Highway. 1798 Comment
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Dec 9 2014
  UCR110876  Cryptantha circumscissa A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 22007 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  CAS-BOT-BC189517  Cryptantha circumscissa var. circumscissa G. B. Grant 1906-6-20 6691 Los Angeles Summit, Mount Wilson Comment
  CAS-BOT-BC189520  Cryptantha circumscissa var. circumscissa 1901-7-10 1896 Los Angeles Wilsons Peak, summit Comment
  RSA0094669  Cryptantha clevelandii L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon approximately 1/2 mile east of Blum Ranch 945 Comment
  SD142798  Cryptantha clevelandii Dawn Lawson 1997-3-8 Los Angeles Palos Verde Peninsula, Ocean Trails coastal bluff 14 Comment
  SEINET7881016 Image available Cryptantha clevelandii var. florosa F. R. Fosberg 1931-1 S 4558 Los Angeles Avalon Canyon; Just below Pacific Divide; Santa Catalina Island Comment
  RSA596886  Cryptantha corollata T. S. Ross, J. Mark Porter 1995-5-4 8518 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA518034  Cryptantha decipiens Steve Boyd 1986-3-31 1576 -B Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  SD181670  Cryptantha decipiens LeRoy Gross, Orlando Mistretta and Valerie Soza 2003-5-13 894 Los Angeles Big Rock Creek, north and east of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  LA209958  Cryptantha intermedia Peter H. Raven; 1959-4-4 13956 Los Angeles Santa Monica Mountains, Point Dume, above the beach 30 Comment
  POM369516  Cryptantha intermedia E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  RSA0115258  Cryptantha intermedia Richard G. Swinney 2010-5-25 12941 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA191005  Cryptantha intermedia R. F. Thorne, J. Henrickson 1963-5-5 32322 Los Angeles in Cobal Canyon, foothills of San Gabriel Mts., ca. 4 miles N of Claremont. 518 Comment
  SBBG97013  Cryptantha intermedia S. Boyd with T. Ross, L. Arnseth 1990-4-8 4424 Los Angeles Bryce Cyn near Malo Pt Comment
  UC1587717  Cryptantha intermedia Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-19 5263 Los Angeles 1800 ft se Malo Knoll (w fork of Near-Death Canyon, draining to Mosquito Cove, drainage beginning 800 ft n of rest marker); San Clemente Island, Near-Death Canyon, Mosquito Cove 384 Comment
  POM368244  Cryptantha intermedia H. L. Bauer 1931-4-1 13959 Los Angeles El Segundo Comment
  SFV21065  Cryptantha intermedia L. Gross 2001-5-6 382 Los Angeles Verdugo Mountains Along trail that comes up from Morning Glow Way off of La Tuna Canyon Road in city of Sun Valley. Comment
  UCSB45212  Cryptantha intermedia Batson, J. 1979-3-10 Los Angeles Near Highway 23, 2 miles north of its junction with Highway 1 near Malibu, CA 152 Comment
  UCSB5552  Cryptantha intermedia Beach, Kay 1944-6-20 Los Angeles Tanbark SRE Comment
  RSA674781  Cryptantha microstachys Scott D. White, Kent Hughes 2000-5-16 7849 Los Angeles San Gabriel Mts.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  SEINET3152299  Cryptantha microstachys G. B. Grant 1904-5-24 241 Los Angeles Pasadena; Comment
  UCSB5540  Cryptantha microstachys H., J. 1934-5-25 Los Angeles Watershed no. 2, trail; San Dimas Exp. Forest; Sec. 1, T1N, R9W 853 Comment
  RSA727247  Cryptantha muricata R. G. Swinney 1998-7-2 6198 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  SEINET4044556  Cryptantha muricata D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 121 Comment
  UCR258806  Cryptantha muricata R. G. Swinney 2010-5-25 12981 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR270032  Cryptantha muricata var. denticulata R. G. Swinney 2011-3-22 14175 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  RSA0079393  Cryptantha muricata var. jonesii Pam De Vries 2011-5-4 7763 Los Angeles Southwest portion of the Liebre Mountains; about 1 air mile WNW of the intersection of Avenida Rancho Tesoro and Tesoro del Valley Dr. (Santa Clarita). 501 Comment
  RSA0079363  Cryptantha muricata var. muricata Timothy S. Ross, Steve Boyd 1994-5-4 7644 Los Angeles Liebre Mountains, San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit. 1055 Comment
  RSA0079219  Cryptantha muricata var. muricata R. F. Thorne, C. W. Tilforth, et al. 1972-6-29 42106 Los Angeles San Gabriel Mountains, Angeles National Forest: c. 2.0 mi SE of Valyermo on road to Jackson Lake. 1433 Comment
  SBBG63839  Cryptantha nevadensis R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  RSA594674  Cryptantha nevadensis var. rigida L. C. Wheeler 1967-5-9 9376 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  UCR228575  Cryptantha nevadensis var. rigida Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-21 8044 Los Angeles Lower south foothills of Sierra Pelona, 500 m N of Governor Mine, 800 m E of Red Rover Mine Rd, and 2.2 km N of I-14/Sierra Highway 1110 Comment
  UCR269976  Cryptantha oxygona R. G. Swinney 2010-5-19 12775 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  RSA595814  Cryptantha similis L. C. Wheeler 1967-5-9 9377 Los Angeles Aliso Canyon, east of Acton, ca. 1 mi. downstream from Wagon Wheel Ranch. 1067 Comment
  UCR89459  Cryptantha similis T. S. Ross, Steve Boyd, L. Arnseth 1991-4-30 4970 Los Angeles San Gabriel Mtns., Soledad Canyon Wash, c. one-half mi. east of Acton. 829 Comment
  UC1929502  Cryptantha traskiae Mark Elvin, Michael Wall, Jennifer Stone 1996-8-7 319 Los Angeles Channel Islands; San Clemente Island: North head. NW of Bud's across from Bird Rock on 1st and 2nd terraces along N shore within 100m of ocean. Comment
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Feb 6 2018
  UC1999565  Cryptantha wigginsii Michael G. Simpson, Lori L. Simpson 2012-4-21 3682 Los Angeles Santa Catalina Island. West-facing road cut, on road between Cherry Cove and Howland's Landing. Comment
  UCR114637  Cupressus arizonica S. Bellavia 1995-6-24 s.n. Los Angeles Puente Hills, La Habra Comment
  UC124468  Cuscuta californica Katharine Brandegee 1905-1 Los Angeles Ramona Comment
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Jun 1 2018
  UC35091  Cuscuta campestris unknown 1901-9-2 Los Angeles Redondo Comment
  RSA409731  Cuscuta ceanothi G. R. Johnstone 1930-10-19 s.n. Los Angeles Near rosemead Comment
  SBBG5782  Cuscuta denticulata R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  LA202427  Cuscuta salina var. major Arthur C. Gibson; 2004-8-5 3399 Los Angeles Santa Monica Mountains, Malibu Lagoon 0 Comment
  RSA470427  Cyclospermum leptophyllum Robert Gustafson 1981-7-15 2333 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA662064  Cyclospermum leptophyllum A. R. Roos 1958-3-29 s.n. Los Angeles A parking strip on the 1900 block of Westwood Blvd. Comment
  SFV21039  Cynodon dactylon L. Gross 2001-11-10 452 Los Angeles North side of mountains off the 210 Freeway, east bound La Tuna Canyon Road exit. Opposite this exit is a road that starts out paved (Hostetter Mountainway); follow this road that parallels the freeway east until a dirt road forks off on the right (southeast). Don't take the road that forks off to the right, stay parallel with the freeway a short distance. 457 Comment
  RSA746842  Cyperus involucratus R. G. Swinney 2008-4-30 8698 Los Angeles Glendora, Big Dalton Canyon Debris Basin 341 Comment
  UCR129508  Cyperus odoratus A. C. Sanders, Mark Elvin 2002-6-20 25233 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UC838477  Cyperus rotundus Louis C. Wheeler 1932-7-16 959 Los Angeles 3 mi. n. Pomona (Garey Ave.) Comment
  RSA596377  Datisca glomerata T. S. Ross, S. D. Boyd 1995-6-28 8628 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  POM3172  Datisca glomerata A. J. Cook s.n. Los Angeles Coals Canyon 396 Comment
  UCR259385  Datura wrightii R. G. Swinney 2010-4-20 12282 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  OBI78472  Datura wrightii Tony Simon 1994-4-30 s.n. Los Angeles San Gabriel Mts, Big Tujunga Rd 2 mi from base 91 Comment
  RSA733837  Daucus pusillus R. G. Swinney 2000-5-10 7677 Los Angeles San Gabriel Mtns.: San Gabriel River bottom, ca. 600 m NE of confluence with Fish Canyon between bike path and river bottom. +/- 1000 m. 220 Comment
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Mar 28 2010
  SBBG95227  Daucus pusillus M. B. Dunkle 1928-4-20 1900 Los Angeles Little Harbor Comment
  UC729460  Daucus pusillus Carl B. Wolf 1932-5-10 3526 Los Angeles along equestrian trail back of Avalon; Santa Catalina Isl. 259 Comment
  CAS-BOT-BC130915  Deinandra clementina Alice Eastwood 1917-7-20 6492 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC130944  Deinandra clementina L. R. Abrams; I. L. Wiggins 1931-7-3 300 Los Angeles Santa Barbara Island Comment
  SBBG32079  Deinandra clementina R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -236 Los Angeles S side of Little Harbor Comment
  SBBG95446  Deinandra clementina M. B. Dunkle 1928-4-29 Los Angeles Little Harbor Comment
  SBBG96677  Deinandra clementina S. Boyd with T. Ross, L. Arnseth 1990-4-7 4272 Los Angeles lower half of China Cyn, W side; sand dunes at cyn mouth Comment
  SBBG98491  Deinandra clementina T. Ross 1991-5-23 5482 Los Angeles lower Tota Cyn, E escarpment 36 Comment
  SEINET3147514  Deinandra clementina G. B. Grant 1906-9-1 557 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  UC1587703  Deinandra clementina Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5094 Los Angeles coastal flats wnw new landing field; San Clemente Island, North Head 15 Comment
  PASA2531  Delphinium parishii Florence Brubaker Los Angeles Mint Canyon Comment
  UCR228421  Delphinium parishii Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-21 8051 Los Angeles Lower south foothills of Sierra Pelona, 500 m N of Governor Mine, 800 m E of Red Rover Mine Rd, and 2.2 km N of I-14/Sierra Highway 1110 Comment
  RSA586992  Delphinium parishii subsp. parishii Orlando Mistretta 1992-5-8 304 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  RSA398708  Delphinium parryi G. R. Johnstone 1934-5-20 18977 Los Angeles Santa Catalina Is. Descanso Canyon. Comment
  SD215634  Delphinium parryi Steve Boyd, Lauren Raz & Timothy S. Ross 1997-4-1 9491 Los Angeles Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines 792 Comment
  SD37294  Delphinium parryi H. Ritter 1931-4-26 Los Angeles Open ground near Pasadena Comment
  UCR140166  Delphinium parryi Anuja Parikh, Nathan Gale 2003-4-29 s.n. Los Angeles Western Transverse Range, Castaic Mesa, study area 68 north of the water plant, c. 1 km east of Castaic Lagoon 427 Comment
  CAS-BOT-BC82823  Dendromecon harfordii Carl B. Wolf 1932-10-5 4228 Los Angeles Santa Catalina Island, Black Jack Mine on slopes of Black Jack Peak. 426 Comment
  UCD95213  Dendromecon rigida Geoffrey Levin 1974-4-26 32 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. 335 Comment
  RSA253135  Dendromecon rigida subsp. rhamnoides Gary D. Wallace, Haefs 1975-3-23 1410 Los Angeles Santa Catalina Island. 1/8 mile E of NS road from Avalon along dirt road toward White's Landing. 412 Comment
  HSC6712  Descurainia pinnata C. E. Fellows 1965-4-19 8 Los Angeles Community of Llano, SW corner at intersection of Hwy. 138 and Victorville cutoff; high, S Mojave Desert Comment
  CAS-BOT-BC43344  Descurainia pinnata subsp. glabra W. R. Dudley; F. H. Lamb 1896-6-12 4448 Los Angeles Mt. Pinos Region. Tejon Pass Road. Tejon Pass. Comment
  CAS-BOT-BC402257  Dicentra chrysantha Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3761 Los Angeles San Gabriel Mountains. Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1950 Comment
  CAS-BOT-BC402268  Dicentra chrysantha Wesley O. Griesel 1961-8-9 s.n. Los Angeles Blue Ridge, San Gabriel Mts. 2225 Comment
  UC120102  Dicentra ochroleuca unknown 1892-3 Los Angeles Santa Monica Ranch Comment
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Dec 24 2007
  RSA771576  Dichelostemma capitatum Richard G. Swinney 2009-6-2 11016 Los Angeles Horse Flats, 1 air mile NNW of Newcombs Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR170694  Dichelostemma capitatum Alex R. Van Dam 2004-4-25 036 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  LA21934  Dichelostemma capitatum subsp. capitatum Mary Reynolds; 1937-4-12 81 Los Angeles SANTA MONICA MOUNTAINS, Franklin Canyon, ca 2 mi S of Mulholland Dr. 243 Comment
  RSA376853  Dichelostemma capitatum subsp. capitatum L. E. Hoffman 1929-6-23 s.n. Los Angeles Mouth [of] Pacoima Canyon. San Gabriel Mountains, Angeles Forest. Comment
  RSA527725  Dichelostemma capitatum subsp. capitatum Timothy S. Ross, Annette Ross 1991-3-7 4148 Los Angeles Elephant Hill: Western Pomona. 335 Comment
  SEINET13693618  Diplacus aurantiacus E. J. Palmer s.n. Los Angeles Los Angeles. Comment
  SJSU470  Diplacus aurantiacus H. Miller 1940-4-15 Los Angeles Pomona Comment
  CATA1897  Dissanthelium californicum Jenny L. McCune, Lauren Danner 2007-7-15 Los Angeles Santa Catalina Island: Collected at releve #35 260 Comment
  SEINET3128950  Distichlis spicata Unknown 1902-6-9 2499 Los Angeles Playa del Rey Comment
  UC337358  Distichlis spicata unknown Los Angeles California - Northern Comment
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Jun 11 2015
  RSA172261  Dodecatheon clevelandii subsp. clevelandii Robert F. Thorne, James Henrickson 1963-5-5 32279 Los Angeles Near mouth of Cobal Canyon, foothills of San Gabriel Mountains, ca. 4 miles N of Claremont 518 Comment
  POM155650  Dodecatheon clevelandii subsp. insulare D. Meadows 1928-1-7 317 b Los Angeles Ridge above high school. Avalon, Santa Catalina Island. Comment
  RSA187814  Dodecatheon clevelandii subsp. insulare Robert F. Thorne 1966-4-4 35776 Los Angeles Santa Catalina Island. Blue Cavern Point, NE of Isthmus Cove. 30 Comment
  CAS-BOT-BC67948  Dryopteris arguta Marcus E. Jones 1882-11-28 3032 Los Angeles Pasadena Comment
  SBBG128361  Dryopteris arguta B. E. Carter 2012-8-23 6994 Los Angeles below and W of Airport Rd N of of Middle Ranch Rd 370 Comment
  SD112100  Dudleya cymosa subsp. marcescens Linda Allen 1975-6-15 Los Angeles Century Ranch, west Santa Monica Mountains. Comment
  RSA680105  Dudleya cymosa subsp. pumila LeRoy Gross, Michael Denslow 2003-6-4 983 Los Angeles Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. 1921 Comment
  UC205027  Dudleya cymosa subsp. pumila I. M. Johnston 1917-7-30 1643 Los Angeles Ontario Peak, San Antonio Mtns 2590 Comment
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May 13 2016
  UC212663  Dudleya cymosa subsp. pumila I. M. Johnston 1917-6-15 Los Angeles w end Ontario Peak; San Antonio Mtns 1828 Comment
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May 13 2016
  CAS-BOT-BC428397  Dudleya lanceolata Alice Eastwood 1928-6-15 15409 Los Angeles Claremont Comment
  RSA767543  Dudleya lanceolata Reid V. Moran 1946-5-30 2063 Los Angeles San Gabriel Canyon; 8 kilometers below Rincon Guard St. 400 Comment
  UCR194008  Dudleya lanceolata R. G. Swinney 1998-8-17 6768 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  CAS-BOT-BC428407  Dudleya lanceolata K. Nakai 1978-5-4 376 Los Angeles Santa Monica Mountains, Santa Ynez Cyn. 2286 Comment
  RSA397771  Dudleya lanceolata Jack Rempel 1932-5-9 s.n. Los Angeles El Segundo. Comment
  SFV7537  Dudleya lanceolata T. Gordon, K. Kimbrough, M. H. Grayum, K. A. Wilson, B. Collins, D. Brown, A. Starrett, G. Poseley 1975-5-26 1005 Los Angeles Santa Monica Mountains Century Ranch, near south shore of Century Lake. 207 Comment
  UC1015293  Dudleya lanceolata Reid Moran 1951-4-29 3478 Los Angeles 2.5 mi below and s Rincon Guard Station; San Gabriel Canyon Comment
  RSA786894  Dudleya multicaulis Doris Bowers 1957-5-22 741 Los Angeles Hill N/W of San Dimas 305 Comment
  CAS-BOT-BC109733  Dudleya virens subsp. hassei T. S. Brandegee 5/2 s.n. Los Angeles San Pedro. Comment
  RSA0084863  Dysphania ambrosioides R. G. Swinney 2010-8-30 13639 Los Angeles Big Santa Anita Canyon bottom, 0.1 miles south of confluence with Winter Creek. 537 Comment
  SEINET4175604  Dysphania multifida G. Grant 1904-8-1 1133 Los Angeles Pasadena Comment
  RSA0119920  Echinodorus berteroi Lyman Benson 1946-10-16 12208 Los Angeles Bed of Devils Gate Dam, La Canada. Mt. Range: San Gabriel. Drainage Area: Pacific Slope. 304 Comment
  SEINET8466417 Image available Echinodorus cordifolius L. C. Wheeler 1949-6-22 6708 Los Angeles Altadena. Devil's Gate Dam.; 321 Comment
  SD181765  Ehrharta calycina Valerie Soza, LeRoy Gross 1999-5-11 466 Los Angeles San Gabriel Mountains, San Dimas Experimenta Forest, southwest of Johnstone Peak, east side of junction of Sycamore Flat Motorway and Bluebird Motorway. Open, disturbed, graded, grassy area. 868 Comment
  RSA714061  Ehrharta erecta G. Ocampo 2006-3-19 1668 Los Angeles Foothill Ave. esquina con Darthmouth, en frente del Colegio Harvey Mudd; lado S de avenida. Claremont. Comment
  SD129172  Ehrharta erecta A. C. Sanders 1987-12-4 7571 Los Angeles El Segundo Dunes, immediately West of Los Angeles International Airport and Pershing Drive, roadside in subsite 55. 29 Comment
  RSA691989  Eleusine indica Scott D. White 2003-10-14 9835 Los Angeles Foothills above Sierra Madre. L. A. Dept. of Public Works 'Sierra Madre Villa' Debris Basin (Mt. Wilson). 335 Comment
  RSA0096625  Elymus X hansenii R. G. Swinney 2011-6-22 15251 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1780 Comment
  RSA0055757  Elymus elymoides R. G. Swinney 2010-5-19 12810 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd. just west of Angeles Natl. forest boundary, 2.05 air miles due east of Angeles Forest Hwy., 0.8 miles due west of, Mt. Emma Rd. 1335 Comment
  RSA0102543  Elymus elymoides Richard G. Swinney 2011-6-7 15100 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air-mile due east of Angeles Crest Hwy & 0.5 mile due north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  RSA0116836  Elymus elymoides R. G. Swinney 2010-9-21 13865 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  UCR271052  Elymus elymoides subsp. elymoides R. G. Swinney 2011-6-6 15009 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR259591  Elymus glaucus R. G. Swinney 2010-9-7 13730 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
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Oct 27 2020
  SEINET10930724  Elymus glaucus Joseph A. Ewan 1934-8-13 Ewan 8303 Los Angeles About drier margins of spring 1/2 mile west of Windy Camp, N slope Mt. Islip, San Gabriel Mts. 2286 Comment
  RSA0085499  Elymus glaucus subsp. glaucus R. G. Swinney 2010-8-9 13455 Los Angeles Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the camp and the jct. of the Mt. Zion Trail and the Sturtevant Trail. 427 Comment
  RSA584866  Elymus glaucus subsp. glaucus Timothy S. Ross, Steve Boyd 1990-6-4 2803 Los Angeles East-West ridge ca 1400 m N of MT GLEASON: ridge separating the headwaters of Arrastre Canyon from upper west tributaries of Gleason Canyon 1549 Comment
  RSA647807  Elymus glaucus subsp. glaucus LeRoy Gross, Laura Moore 2000-6-5 231 Los Angeles Short distance south from La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land 488 Comment
  RSA0077391  Elymus glaucus subsp. glaucus Orlando Mistretta 1992-7-13 684 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  POM1296  Elymus glaucus subsp. jepsonii I. M. Johnston 1918-5-12 1953 Los Angeles San Antonio Mountains. San Antonio Canyon 915 Comment
  UCR138532  Elymus hispidus L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns, divide between Oak Spring Canyon and Cottonwood Canyon, off Little Tujunga Canyon 823 Comment
  RSA0127179  Elymus trachycaulus subsp. trachycaulus Louis C. Wheeler 1967-7-15 10016 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  RSA599820  Emmenanthe penduliflora Steve Boyd, Lauren Raz 1997-3-31 9394 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  CATA636  Emmenanthe penduliflora var. penduliflora Mark L. Hoefs 1991-4-16 1101 Los Angeles Santa Catalina Island: Renton Mine Road 249 Comment
  RSA781010  Encelia actoni R. G. Swinney 2009-5-13 10769 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1122 Comment
  SDSU3820  Encelia actoni D. F. Howe 1959-5-3 2718 Los Angeles 25 mi. west of Lancaster. Comment
  RSA724391  Encelia californica K. Dobry 1991-5-22 D- 762 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  SBBG45038  Encelia californica I. W. Clokey, B. Templeton -Mar-1929 4453 Los Angeles Mandeville Cyn 200 Comment
  UC1302369  Encelia californica Robert F. Thorne and P. Everett 1964-2-6 33283 Los Angeles w of Catalina Harbor (at Isthmus); Santa Catalina Island 7 Comment
  UC472318  Encelia californica C. F. Millspaugh 1920-1-3 4527 Los Angeles Descanso Canyon Santa Catalina Island, Descanso Canyon Comment
  NY70076  Ephedra californica A. D. E. Elmer 06 1902 3599 Los Angeles Acton Comment
  RSA614813  Ephedra nevadensis L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  SDSU21082  Ephedra nevadensis Ian Cain, Ryan Gilmore, Bruce Lund 2010-4-16 1391 Los Angeles North west of Lancaster just south of Kern County border. .97km north along 150th Street from intersection with W Avenue 791 Comment
  UCR264747  Ephedra nevadensis var. nevadensis Steve Boyd, Gary D. Wallace 2011-4-14 12314 A Los Angeles Transverse Ranges; Liebre / San Gabriel Mountains region, Acton Wash ca. 3 km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  CAS-BOT-BC81968  Ephedra viridis Robert F. Thorne 1973-5-11 43499 Los Angeles San Gabriel Mts., Mojave Desert Slope: [Bob's] Bobs Gap, Holcomb Ridge 1219 Comment
  RSA774083  Epilobium brachycarpum R. G. Swinney 2009-7-22 11363 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  LA206175  Epilobium canum Louis C. Wheeler; 1931-10-17 261 Los Angeles SAN GABRIEL MOUNTAINS, 2 mi. N of Claremont. 411 Comment
  OBI34041  Epilobium canum Mark Schneider 1973-9-26 s.n. Los Angeles Deliban Ranch, Deliban Rd, left hand side, Tujunga. 15 yds W of first stream crossing 579 Comment
  SDSU8893  Epilobium canum subsp. angustifolium R. M. Beauchamp 1966-8-8 54 Los Angeles Santa Catalina Island. 152 Comment
  CATA339  Epilobium canum subsp. canum Mark L. Hoefs 1973-7-14 380 Los Angeles Santa Catalina Island: East of Wrigley Memorial Garden, upper Avalon Canyon 106 Comment
  LA200710  Epilobium canum subsp. canum Martha Hilend; sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  RSA579569  Epilobium canum subsp. canum Tim S. Ross, Steve D. Boyd 1994-9-20 8244 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road. 980 Comment
  SD44622  Epilobium canum subsp. canum Darley F. Howe Oct 1951 2162 Los Angeles Mandeville Canyon; Santa Monica Mountains. Comment
  LA206128  Epilobium canum subsp. latifolium F. R. Fosberg; Joseph Andorfer Ewan 1931-8-12 4886 Los Angeles San Gabriel Mountains, Mount Islip, Summit 2499 Comment
  RSA588514  Epilobium canum subsp. latifolium F. R. Fosberg 1931-8-12 5467 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  RSA756149  Epilobium ciliatum R. G. Swinney 2008-7-12 9170 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  UCR210229  Epilobium ciliatum R. G. Swinney 2008-10-20 9657 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  RSA448474  Epilobium ciliatum subsp. ciliatum F. R. Fosberg, Joseph A. Ewan 1931-8-13 4962 Los Angeles Big Cienega above Crystal Lake, San Gabriel Mountains. 1982 Comment
  RSA598373  Epilobium ciliatum subsp. ciliatum Louis C. Wheeler 1967-5-24 9753 Los Angeles Indian Canyon, near mouth 701 Comment
  UCR223130  Epilobium densiflorum R. G. Swinney 2009-7-22 11346 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  CDA36207  Epipactis gigantea A. C. Sanders, T. B. Salvato 2009-5-19 36838 Los Angeles San Gabriel Valley; Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. Working oil field with access roads and scattered pump pads. Comment
  RSA381695  Epipactis gigantea George Henry Grinnell 1923-5-30 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  RSA611586  Epipactis gigantea Louis C. Wheeler 1946-9-8 6358 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 0.5 mile E of Bear Creek. 518 Comment
  RSA229749  Epipactis gigantea Wesley O. Griesel 1962-4-17 s.n. Los Angeles Millard Canyon, San Gabriel Mountains. 549 Comment
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Jul 5 2010
  RSA381715  Epipactis gigantea Bonnie C. Templeton, I. W. Clokey 1936-5-18 5665 Los Angeles San Gabrie1 Canyon, 1/2 mile below dam. [San Gabriel Mounntains]. Comment
  UCR243026  Equisetum laevigatum R. G. Swinney 2009-8-6 11529 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  UC153537  Eremocarpus setiger LeRoy Abrams 1902-8-20 2966 Los Angeles near Inglewood Comment
  RSA421553  Eremocarpus setiger Geo. L. Moxley 1917-9-4 s.n. Los Angeles Eagle Rock. Comment
  RSA421760  Eremocarpus setiger Larry E. DeBuhr, Gary D. Wallace 1972-9-3 706 Los Angeles San Clemente Island, on top of Thirst Peak. 579 Comment
  SEINET10805118  Eremocarpus setiger Walter H. Lewis 1991-6-13 Lewis 14930 Los Angeles Padua Hills, N. Claremont, between Padua and Mills roads on Mt. Baldy Drive. 518 Comment
  RSA786244  Eriastrum filifolium Doris Bowers 1957-6-22 824 Los Angeles Arroyo Seca, Pasadena 457 Comment
  UC23875 Image available Eriastrum sapphirinum Harvey M. Hall 1896-8-7 299 Los Angeles Swartout Canyon San Antonio Mts. 2133 Comment
  UCR110887  Eriastrum sapphirinum A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 22001 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  UCR177544  Eriastrum sapphirinum LeRoy Gross, Valerie Soza 2001-5-31 391 Los Angeles Los Angeles Basin, Vedugo Mountains Region: Southeast side. Dead Horse Canyon. Collected on ridge north of this canyon 457 Comment
  RSA0121281  Eriastrum sapphirinum subsp. dasyanthum J. F. McBroom 1941-7-25 s.n. Los Angeles Hillslopes coastal, Pasadena hills. Comment
  RSA0123070  Eriastrum sapphirinum subsp. dasyanthum L. C. Wheeler 1947-6-13 6518 Los Angeles San Gabriel Mountains: Mesa south of San Antonio Canyon [Los Angeles/San Bernardino counties]. Comment
  SD52462  Eriastrum sapphirinum subsp. dasyanthum Skip Stone 1952-6-5 89 Los Angeles Blanchard Park, Claremont. San Gabriel Mountains. 334 Comment
  UCSB28768  Eriastrum sapphirinum subsp. dasyanthum Tanowitz, B. 1973-7-25 Los Angeles Beverly Glen Blvd., approximately 0.5 mi south of its junction with Mulholland Dr. (Brown Cyn) 365 Comment
  RSA606183  Ericameria cooperi Leota Brice 1930-5-22 s.n. Los Angeles Palmdale. Comment
  UCR277221  Ericameria cooperi R. G. Swinney 2010-6-1 13171 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  SBBG62825  Ericameria cooperi var. cooperi R. Hoffmann 1929-5-19 Los Angeles Harold Comment
  SD43394  Ericameria linearifolia Darley F. Howe 1948-5-2 1778 Los Angeles Angelus Crest Road to Mt. Wilson. 1280 Comment
  UC1334668  Ericameria linearifolia Jeannette L. Huber 1969-5-25 975 Los Angeles Chilao San Gabriel Mountains, Chilao (1 mi n of Chilao Fire Station) 1524 Comment
  RSA0078387  Ericameria nauseosa var. oreophila R. G. Swinney 2010-10-8 14006 Los Angeles Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  IRVC26171  Ericameria palmeri A. C. Sanders, Kim Marsden 2003-6-20 26993 Los Angeles Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  CAS-BOT-BC299524  Ericameria palmeri var. pachylepis Frank W. Peirson 1921-11-11 2597 Los Angeles Bouquet Canyon Comment
  RSA549232  Ericameria pinifolia Scott D. White 1992-10-8 882 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
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Sep 21 2017
  RSA0113801  Ericameria teretifolia LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7547 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  UCR255469  Erigeron Dan S. Cooper 2014-5-23 514- 08 Los Angeles Los Angeles, Wilshire Blvd. at Valencia St. 98 Comment
  UC1375267  Erigeron breweri var. jacinteus Robert F. Thorne 1971-8-25 41242 Los Angeles s ridge of summit of Mt. Baden-Powell; San Gabriel Mts., Angeles National Park, Mt. Baden-Powell 2804 Comment
  RSA0093131  Erigeron canadensis Richard G. Swinney 2011-3-26 14198 Los Angeles San Gabriel Mts.: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon. 476 Comment
  RSA0114718  Erigeron canadensis R. G. Swinney 2011-10-25 15887 Los Angeles San Gabriel Mountains; south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39. 1006 Comment
  SBBG95449  Erigeron canadensis M. B. Dunkle 1928-10-7 2002 Los Angeles Middle Ranch Cyn 167 Comment
  POM4666  Erigeron foliosus P. A. Munz 1918-5-19 2274 Los Angeles Pomona. Comment
  RSA628320  Erigeron foliosus L. C. Wheeler 1970-7-25 s.n. Los Angeles San Gabriel Mountains: Heliport 0.3 mi. N of South Mt. Hawkins 2287 Comment
  SEINET3132410  Erigeron foliosus var. foliosus G. B. Grant 412 -A Los Angeles Monrovia Comment
  SFV10203  Erigeron foliosus var. foliosus J. G. Cuti 1978-6-20 68 Los Angeles 0.5 miles off Santa Susana Pass Road on Box Canyon Road. On abandoned dirt road. Comment
  RSA134729  Erigeron foliosus var. stenophyllus Percy C. Everett, E. K. Balls 1959-6-29 23868 Los Angeles Runners to cover areas 50'x20'. Stokes Canyon, Santa Monica Mts. 152 Comment
  UCR276817  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-21 12885 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  CAS-BOT-BC188083  Eriodictyon traskiae C. B. Wolf 1932-10-5 4229 Los Angeles Shoulder of Black Jack Peak, E of Black Jack Mine, Santa Catalina Island 457 Comment
  OBI55261  Eriodictyon trichocalyx var. trichocalyx W. B. Welch 1928-4-10 53 Los Angeles Big Tunga Comment
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May 29 2015
  RSA293454  Eriodictyon trichocalyx var. trichocalyx S. Carlquist 1981-5-3 15649 Los Angeles Lightning Ridge, Angeles Crest Highway east of Mt. Islip. 2073 Comment
  RSA455074  Eriodictyon trichocalyx var. trichocalyx L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, branch of Big Rock Creek, Angeles National Forest. Comment
  RSA794744  Eriodictyon trichocalyx var. trichocalyx Jane Tirrell 2012-7-20 LS 0116 Los Angeles San Gabriel Mts region: South side of California State Route 2; east bank of drainage at mile marker 66.82. 2245 Comment
  UC1971340  Eriodictyon trichocalyx var. trichocalyx Louis C. Wheeler 1973-7-21 Los Angeles SAN GABRIEL MOUNTAINS: Ridge on divide between Big Tujunga and Devil Canyon 0.2 mi north of windy gap on Angeles Crest Highway. Comment
  RSA455082  Eriodictyon trichocalyx var. trichocalyx Mildred E. Mathias 1931-6-23 S 5103 Los Angeles San Antonio Falls, Mt. San Antonio Comment
  RSA773290  Eriogonum R. G. Swinney 2009-6-24 11271 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA336400  Eriogonum brachyanthum Robert F. Thorne, Dick Tilforth 1978-6-21 52328 Los Angeles San Gabriel Mountains: N of Bob's Gap Comment
  CAS-BOT-BC241901  Eriogonum cinereum Mrs. H. P. Bracelin 1931-10-11 570 Los Angeles Lower Topanga Canyon, about one and one-half miles east of ocean beach. Santa Monica Mts. Comment
  CAS-BOT-BC241979  Eriogonum cinereum David B. Weissman 1974-8-19 s.n. Los Angeles Big Rock Canyon, at entrance to canyon off of Pacific Coast Highway Comment
  SD31178  Eriogonum cinereum Edith A. Purer 1931-3-12 Los Angeles Palos Verdes Hills Comment
  RSA0014584  Eriogonum cithariforme var. agninum Orlando Mistretta, Christine Mistretta 2011-6-18 5716 Los Angeles Aliso Cyn drainage, E side of Gleason Cyn on Forest Rd. 4N24. 1508 Comment
  CLARK-A1528-3623  Eriogonum crocatum John C. Roos 1958-5-22 Los Angeles Santa Monica Mountains Comment
  CAS-BOT-BC242763  Eriogonum davidsonii Timothy S. Ross; Steve Boyd 1994-9-21 8302 Los Angeles Liebre Mountain: upper west summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; ca 340-460 m ENE of Sandberg Triangulation Point (5345-ft.) 1623 Comment
  UCR277142  Eriogonum davidsonii R. G. Swinney 2011-6-15 15210 Los Angeles San Gabriel Mountains, Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy 1631 Comment
  POM123361  Eriogonum elongatum Marcus E. Jones 1884-08 s.n. Los Angeles Los Angeles. Comment
  SDSU6544  Eriogonum elongatum R. M. Beauchamp 1966-8-10 63 Los Angeles Growing beside road in Topange Canyon. Comment
  POM293141  Eriogonum elongatum var. elongatum Lyman Benson 1946-10-16 12211 Los Angeles U. S. 99, valley just south of second summit north of Castaic. 762 Comment
  RSA0114814  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-10-25 15860 Los Angeles San Gabriel Mountains; along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  RSA0115406  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-29 13242 Los Angeles San Gabriel Mountains; May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54. 610 Comment
  UCR194611  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1998-8-13 6751 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR239970  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-11-18 11657 Los Angeles Transverse Range; San Gabriel Mountains, summit of Oracle Hill, 1 air mi. ESE of junction of Angeles Forest Hwy & Soledad Canyon 1310 Comment
  POM306265  Eriogonum fasciculatum var. foliolosum Henry J. Ramsey, Henry J. Ramsey 1938-1-1 1413 Los Angeles North Craig Ave., Altadena. Comment
  RSA586662  Eriogonum fasciculatum var. foliolosum Orlando Mistretta 1995-6-1 1744 Los Angeles Carr Canyon, near mouth of canyon 945 Comment
  RSA235250  Eriogonum giganteum var. formosum E. R. Blakley 1962-6-10 5236 Los Angeles Wilson Cove, San Clemente Island. 6 Comment
  CAS-BOT-BC250303  Eriogonum giganteum var. giganteum June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island - Summit Comment
  CAS-BOT-BC253439  Eriogonum gracile J. Ewan 1931-10-24 5271 Los Angeles One mile above Malibu Lake Comment
  UC412777  Eriogonum gracile Geo. B. Grant 1904-9-15 450 -6422 Los Angeles Pasadena Comment
  UC6440  Eriogonum gracile Wm. H. Brewer 1860-12-14 67 Los Angeles in canyon Sierra Santa Monica Comment
  RSA766136  Eriogonum gracile Joseph A. Ewan 1928-8-16 1522 Los Angeles Nichols Canyon. Santa Monica Mts. 213 Comment
  RSA717789  Eriogonum gracile var. gracile R. G. Swinney, Dave Larson 1996-7-17 5123 Los Angeles San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  POM2260  Eriogonum gracillimum W. R. Dudley, F. H. Lamb 1896-6-8 4326 Los Angeles Lancaster. Comment
  SBBG62141  Eriogonum gracillimum R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  CAS-BOT-BC252233  Eriogonum grande var. grande G. B. Grant 1906-9-1 7169 Los Angeles Catalina Is. Comment
  SDSU19662  Eriogonum grande var. grande Michael G. Simpson, Adrienne Russell, Jonathan Dunn, David Pivorunas, Mike Walgren 2000-7-19 2190 Los Angeles San Clemente Island, near end of road that runs south from Eel Point. 27 Comment
  RSA597194  Eriogonum maculatum Tim S. Ross, Peter Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3721 Los Angeles San Gabriel Mountains, Pinyon Ridge: eastern half of the ridge, directly N of Fenner Canyon. 1939 Comment
  RSA0082570  Eriogonum mohavense Ralph Hoffmann 1929-5-20 979 Los Angeles Redman. Western Mojave Desert. Comment
  UCR182487  Eriogonum nudum R. G. Swinney 1997-7-22 5704 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  RSA596989  Eriogonum nudum var. pauciflorum Steve Boyd, Lauren Raz 1996-9-24 8963 Los Angeles Liebre Mountains, western end of Liebre Mountain just north of Forest Service Road 7N23 on broadly rounded summit area at divide between Cold Canyon and Tentrock Canyon. 1616 Comment
  SBBG64160  Eriogonum nudum var. pubiflorum R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  LA201186  Eriogonum parvifolium Peter H. Raven; May 1964 346 Los Angeles 3 Comment
  CAS-BOT-BC258236  Eriogonum pusillum Peter H. Raven 1958-3-23 11963 Los Angeles Above Big Rock Creek along road 4.3 miles south of Pearblossom Comment
  RSA249811  Eriogonum pusillum Robert F. Thorne, C. W. Tilforth 1973-4-20 43000 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  RSA424840  Eriogonum pusillum Robert Gustafson, Gary D. Wallace 1982-4-26 2542 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  RSA729861  Eriogonum pusillum R. G. Swinney 1999-6-5 7252 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  IRVC26857  Eriogonum roseum June Latting 1976-10-6 s.n. Los Angeles Mountain foothills/Mojave Desert: Bob's Gap and Valyermo Road Transverse Ranges, San Gabriel Mountains 1250 Comment
  RSA679291  Eriogonum saxatile Mark A. Elvin, Anne Marie Ruff 1996-8-1 297 Los Angeles San Gabriel Mts. Angeles National Forest. Glendora Ridge Road. 1.5mi from gate. Along road cuts on N side. Comment
  CAS-BOT-BC262862  Eriogonum thurberi John Thomas Howell 1931-6-6 6660 Los Angeles Big Tujunga Wash Comment
  RSA777688  Eriogonum thurberi Orlando Mistretta, Christine Mistretta 2010-5-19 5103 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  UCR266372  Eriogonum thurberi D. E. Bramlet, Allison D. Rudalevige 2009-4-30 4383 Los Angeles Transverse Range; San Gabriel Mtns., lower Big Tujunga Creek Wash, NE of Foothill Blvd. 363 Comment
  UCSB33670  Eriogonum umbellatum var. munzii Fortlage, Robert 1961-9-23 Los Angeles desert side of the San Gabriel Mts; Pinyon Flats, Angeles National Forest 1066 Comment
  CAS-BOT-BC264999  Eriogonum wrightii var. subscaposum John Thomas Howell 1947-7-18 23392 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  CAS-BOT-BC265004  Eriogonum wrightii var. subscaposum I. M. Johnston 1917-7-30 1581 Los Angeles Cucamonga Pk. 2712 Comment
  RSA700513  Eriogonum wrightii var. subscaposum Gary D. Wallace 1985-7-5 2237 Los Angeles San Gabriel Mountains: Mt. Islip. Angeles National Forest. 2515 Comment
  SD1267  Eriogonum wrightii var. subscaposum Ruth B. Randall 7/1931 107 Los Angeles Big Pines near Los Angeles Comment
  UCR259688  Eriophyllum ambiguum var. paleaceum Mitch Provance, Callen Huff 2009-4-28 10722 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  CATA3235  Eriophyllum confertiflorum Julie L. King 2017-1-17 46 Los Angeles Santa Catalina Island: North side of West End Rd., 0.3 road miles southeast of eastern entrance to Emerald Bay 40 Comment
  POM357940  Eriophyllum confertiflorum B. C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon. 300 Comment
  RSA0087870  Eriophyllum confertiflorum R. G. Swinney 2010-6-21 13292 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA729361  Eriophyllum confertiflorum R. G. Swinney 1998-7-27 6489 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  UCR127188  Eriophyllum confertiflorum A. C. Sanders 2003-5-1 26247 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, near Angeles National Forest boundary, c. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 396 Comment
  UCR223013  Eriophyllum confertiflorum R. G. Swinney 2009-5-5 10630 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA0046925  Eriophyllum confertiflorum Ruth Herley 1932-4-16 s.n. Los Angeles Near Dekker [Decker] Ranch, Santa Monica Mts. Comment
  UC896277  Eriophyllum confertiflorum var. confertiflorum Ira W. Clokey, B. Templeton 1929-4-22 4466 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 450 Comment
  UCR273400  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-4-26 14493 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  CAS-BOT-BC308349  Eriophyllum nevinii Larry DeBuhr; Gary Wallace 1972-9-3 705 Los Angeles Near base of canyon at south end of cove south of Eel Point, San Clemente Island 91 Comment
  UCR269987  Eriophyllum wallacei R. G. Swinney 2010-5-19 12800 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  UCR282034  Eriophyllum wallacei R. G. Swinney 2014-4-30 16247 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  RSA592142  Erodium brachycarpum Louis C. Wheeler 1967-4-30 9205 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch 366 Comment
  UCR99464  Erodium brachycarpum L. C. Wheeler 1948-4-26 6636 Los Angeles Altadena. Canyon Crest Drive and Lincoln Avenue. 402 Comment
  UCD103132  Erodium brachycarpum Daryl Koutnik 1978-3-16 115 Los Angeles At the northwest base of Lady face, South of Agoura Rd. 320 Comment
  RSA391810  Erodium cicutarium Franklin W. Klepinger 1938-4-23 s.n. Los Angeles Malibu Lake region. Comment
  RSA569923  Erodium cicutarium Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4834 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  SEINET13383541 Image available Erodium cicutarium R. G. Swinney 2010-1 11979 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 539 Comment
  UCR260392  Erodium cicutarium R. G. Swinney 2010-2-27 11667 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  RSA638930  Erodium cicutarium Louis C. Wheeler 1967-5-15 9571 Los Angeles San Gabriel Mountains: Ridgetop ESE of Fremont Pass. 595 Comment
  RSA592195  Erodium moschatum Louis C. Wheeler 1967-4-9 9182 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Canyon Inn. Comment
  UC1080289  Erysimum capitatum E. K. Balls and P. C. Everett 1958-2-12 22864 Los Angeles slopes sw San Antonio Dam (n of Claremont) 548 Comment
  CAS-BOT-BC40705  Erysimum capitatum H. Arnott; W. Arnott; J. Ingram; F. Chisaki 1955-4-16 50 Los Angeles Routh #6, ca. 2 miles west of turn-off to Blum Ranch, near Acton. Comment
  RSA329731  Erysimum capitatum Gary D. Wallace 1966-3-25 206 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena 915 Comment
  CHSC3662  Erysimum capitatum var. capitatum Mary MacArthur 1966-6-4 45 Los Angeles Chilao (upper). Along road. 1524 Comment
  UCSB2326  Erysimum capitatum var. capitatum Sage, Paul 1959-3-1 Los Angeles 1 mile below end of Chainy Trail in Millard Canyon, Altadena 609 Comment
  CAS-BOT-BC403155  Eschscholzia californica John I. Carlson 1914-4-28 s.n. Los Angeles Avalon, Catalina Isl. Comment
  POM177572  Eschscholzia californica var. peninsularis Ralph Hoffmann 1931-4-28 336 Los Angeles Upper Bouquet Canyon Comment
  UCR151657  Eschscholzia minutiflora R. G. Swinney 1998-4-14 5980 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  UC1215190  Eschscholzia ramosa Peter H. Raven 1962-5-9 17646 Los Angeles along road just n Guds; San Clemente Island 249 Comment
  RSA0012596  Eucalyptus globulus Tim S. Ross, Annette Ross 1991-6-3 5556 -a Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 274 Comment
  UC1929778  Eucalyptus pulverulenta Valerie Soza, Bill Hogshead, Amber Maurice 2003-5-17 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson); elev. 915-1555m/3000-5100ft Comment
  UCR193425  Eucalyptus tereticornis R. G. Swinney 1999-4-8 7071 Los Angeles San Gabriel Mtns., Claremont, north of Via Santa Catarina and Mountain Ave. 488 Comment
  RSA420814  Eucrypta chrysanthemifolia F. R. Fosberg 1931-3-27 4412 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island 60 Comment
  UCR260337  Eucrypta chrysanthemifolia R. G. Swinney 2010-5-4 12557 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  UCSC000890  Eucrypta chrysanthemifolia Peter Kamb 1947-5-25 535 Los Angeles near Sunset Ridge guard station Sunset Ridge guard station - San Gabriel Mts., Millard Canyon 671 Comment
  RSA674251  Eucrypta chrysanthemifolia var. chrysanthemifolia LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 702 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 695 Comment
  SFV20834  Eucrypta chrysanthemifolia var. chrysanthemifolia L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 702 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 695 Comment
  UCR261357  Eulobus californicus R. G. Swinney 2010-4-1 12165 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  UCR273125  Eulobus californicus R. G. Swinney 2011-4-26 14515 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  UCR152902  Euphorbia albomarginata A. C. Sanders, Helen Kennedy 2005-4-13 29436 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA432463  Euphorbia crenulata Louis Greata 1901-03 s.n. Los Angeles Eagle Rock. Comment
  UCR213793  Euphorbia dendroides Scott D. White, Justin M. Wood, Chris Huntley, Jamie Miner 2009-5-12 12685 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  RSA752285  Euphorbia maculata Justin M. Wood 2009-7-25 1159 Los Angeles Private residence on Ramona Ave, just SE of intersection of Arrow Highway and Mills Ave. 351 Comment
  UCD142608  Euphorbia maculata Daryl Koutnik 1978-6-30 s.n. Los Angeles Reseda, 6922 Hesperia Avenue. 213 Comment
  LA82197  Euphorbia maculata O. H. Kappler; 1943-5-24 475 Los Angeles SANTA MONICA MOUNTAINS, Beverly Hills. Comment
  UCD142453  Euphorbia peplus Geoffrey Levin 1975-9-22 656 Los Angeles San Gabriel Mts. Santa Ana River. Claremont, around Pomona College. 335 Comment
  UCR205569  Euphorbia prostrata R. G. Swinney 2008-5-30 8872 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
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Apr 22 2010
  UCR125785  Euphorbia serpens A. C. Sanders 2003-5-26 26836 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  CDA29953  Euphorbia terracina Michael O Brien 2009-7-26 s.n. Los Angeles Topanga State Beach: in flood plain of Topanga Creek, in an area that used to be a historic community of shacks, bungalows, and mobile homes. 0 Comment
  UCR119845  Festuca microstachys L. C. Wheeler 1967-5-24 9743 Los Angeles San Gabriel Mtns, Angeles National Forest, Indian Canyon, '2300 ft 488 Comment
  UCR155619  Filago californica A. C. Sanders, T. B. Salvato 2005-4-26 29699 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  POM187496  Foeniculum vulgare L. C. Wheeler 1933-9-26 2129 Los Angeles San Gabriel Canyon, San Gabriel Mts. 335 Comment
  UCR182476  Frasera neglecta R. G. Swinney 1997-7-17 5684 Los Angeles San Gabriel Mtns., summit of Table Mountain, NW of Wrightwood 2277 Comment
  RSA350137  Fraxinus dipetala Wesley O. Griesel 1986-3-6 s.n. Los Angeles Placerita canyon. 518 Comment
  UC1123346  Fraxinus dipetala G. T. Nordstrom 1935-3-24 407 Los Angeles 2.25 mi se Mouth of Beartrap Canyon; Santa Barbara National Forest, Tejon Quad. 701 Comment
  UCR108455  Fraxinus dipetala L. C. Wheeler 1967-5-18 9620 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  IRVC29364  Fraxinus uhdei A. C. Sanders, Mark A. Elvin 2002-8-26 25592 Los Angeles Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near "Airport Mesa" Northeastern Santa Susana Mtns./Santa Clara River Watershed 305 Comment
  RSA162693  Fremontodendron mexicanum J. D. Olmsted 1958-3-11 56 Los Angeles Along SE edge of Blanchard Park; oak woodland with gradual southward drainage along San Antonio Creek on Pomona College campus 366 Comment
  RSA68730  Fritillaria biflora Frank W. Peirson 1921-4-10 1675 Los Angeles Trail below Sycamore Flat on way to San Dimas 792 Comment
  RSA367727  Fritillaria biflora George Henry Grinnell 1929-3-17 s.n. Los Angeles Eagle Rock. Comment
  SFV7622  Galinsoga parviflora T. Gordon, J. Gordon, K. Kimbrough 1975-7-20 1097 Los Angeles San Gabriel Valley San Marino. Huntington Library. Orange grove adjacent to the mausoleum. Comment
  IRVC29639  Galium angustifolium A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26208 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  RSA0049485  Galium angustifolium Richard G. Swinney 2010-5-7 12616 Los Angeles San Gabriel/Verdugo Mountains; Tujunga Valley, 150m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/south fork of Big Tujunga Wash. 357 Comment
  UCD121578  Galium angustifolium A. C. Sanders; D. Malueg 1998-6-22 22021 Los Angeles San Gabriel Mtns.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE. 549 Comment
  RSA226078  Galium angustifolium subsp. angustifolium Robert F. Thorne, C. W. Tilforth 1971-6-17 39948 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  UC1562545  Galium angustifolium subsp. angustifolium Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7842 Los Angeles Pine Canyon Road along San Andreas Fault (n side of mts (Co Rd N2), steep slope and roadcut on n side of road); San Gabriel Mts. Comment
  UCR160090  Galium angustifolium subsp. angustifolium L. C. Wheeler 1968-7-3 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, north side of Bichota Canyon, east of heliport 1402 Comment
  POM367694  Galium angustifolium subsp. angustifolium E. S. Spalding 1923-7-11 s.n. Los Angeles Hermosa Beach. Comment
  RSA229210  Galium angustifolium subsp. angustifolium Robert F. Thorne, C. W. Tilforth 1971-6-30 40804 Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  UC1348982  Galium angustifolium subsp. gabrielense Robert F. Thorne, M. Z. Thorne 1967-7-19 37168 Los Angeles above Crystal Lake Recreation Area; San Gabriel Mts., Angeles National Forest, Big Cienega Sprin 1981 Comment
  UCR194604  Galium angustifolium subsp. gabrielense R. G. Swinney 1998-8-13 6755 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
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May 8 2012
  RSA584969  Galium angustifolium var. angustifolium Tim S. Ross, Steve D. Boyd 1990-6-1 2759 Los Angeles San Gabriel Mountains, Moody Canyon (a.k.a. 'The Toilet Bowl of Death'): draining northward from Messenger Flats and Mt Gleason. 1159 Comment
  RSA0088011  Galium aparine R. G. Swinney 2010-6-21 13291 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA522947  Galium californicum subsp. flaccidum Tim S. Ross, Orlando Mistretta 1990-10-26 3312 Los Angeles San Gabriel Mountains: Off the north side of Horse Canyon Saddle at the beginning of the Horse Canyon drainage. 950 Comment
  SD66874  Galium catalinense R. Mitchel Beauchamp 1967-3-20 376 Los Angeles Santa Catalina Island; slopes above beach road, south of Avalon Comment
  UC1348874  Galium catalinense Robert F. Thorne and P. Everett 1965-6-23 34996 Los Angeles nw Avalon (mouth of canyon); Santa Catalina Island, Hamilton Canyon 7 Comment
  UCR147785  Galium grande Valerie Soza, Et al. 2000-7-7 1054 Los Angeles San Gabriel Mountains, east of White Saddle, above Cold Springs Canyon; 1.54 mi east of jct. of Van Tassel Truck trail (FSR 1N36) and Silver Fish Road (FSR 1N29), along Silver Fish Road 854 Comment
  RSA67119  Galium hallii F. W. Peirson 1923-9-1 4013 Los Angeles In small sawmill canyon at west end of Swartout Valley at 6600 feet. 2012 Comment
  UCR85800  Galium jepsonii T. S. Ross, Steve Boyd 1991-7-24 5596 Los Angeles Granite Mtn. vicinity; near intersection of Pacifico Mountain Road and Roundtop Truck Road 1902 Comment
  POM367854  Galium johnstonii Anstruther Davidson 1892-8-20 1867 Los Angeles Wilson's Peak Comment
  RSA529187  Galium johnstonii Tim S. Ross, Steve D. Boyd 1991-7-24 5633 Los Angeles Granite Mountain. 1902 Comment
  RSA585935  Galium johnstonii Tim S. Ross, Steve D. Boyd 1990-5-23 2638 Los Angeles Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft) on the watershed divide between Mill Canyon and Moody Canyon 1308 Comment
  RSA746868  Galium parishii Orlando Mistretta 1991-7-30 s.n. Los Angeles Mt. Baldy. 2957 Comment
  RSA709372  Galium porrigens A. C. Sanders, T. B. Salvato 2005-4-26 29675 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa. 595 Comment
  JEPS114001  Galium porrigens var. porrigens Timothy S. Ross and Steve Boyd 1994-6-22 8011 Los Angeles Warm Springs Canyon: 0.5 road miles W of Lake Hughes Road along Forest Service road 6N32. Comment
  SBBG96686  Gambelia speciosa S. Boyd with T. Ross, L. Arnseth 1990-4-7 4196 Los Angeles upper reaches of China Cyn Comment
  RSA602400  Gamochaeta pensylvanica L. C. Wheeler 1946-12-14 6449 Los Angeles San Gabriel Mountains: San Dimas Canyon; ca. 1/4 mile upstream from dam. Comment
  CAS-BOT-BC303404  Gamochaeta ustulata Geo. B. Grant 1900-5-17 s.n. Los Angeles El Monte Comment
  RSA599285  Garrya flavescens Steve Boyd, Lauren Raz 1997-3-31 9421 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  UC1122684  Garrya flavescens A. D. Gifford 1935-3-15 459 Los Angeles 1 mi n Warm Springs; Angeles National Forest, Tejon Quad. 762 Comment
  CAS-BOT-BC158047  Garrya veatchii Marcus E. Jones 1924-4-21 s.n. Los Angeles San Antonio [Canon] Canyon Comment
  UCR147712  Garrya veatchii Walter Wisura 1999-9-10 5135 Los Angeles Transverse Ranges; San Gabriel Mts. region, 3.5 mi west of Cow Canyon Saddle on forestry road off Glendora Ridgeroad Comment
  CATA1333  Gastridium phleoides Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2434 Los Angeles Santa Catalina Island: Lower Buffalo Springs Reservoir 426 Comment
  SBBG131775  Gastridium phleoides S. A. Junak 1999-5-20 SCa 932 Los Angeles ridge between Cottonwood and Escondido Cyn, on S side of Cottonwood-Blackjack Rd, ca. 0.6 mi up from reservoir 256 Comment
  SEINET4571747  Gastridium phleoides L. C. Wheeler 1933-6-7 1859 Los Angeles UCLA Campus, west of Los Angeles Comment
  UCR182848  Gayophytum diffusum subsp. parviflorum R. G. Swinney 1997-8-6 5760 Los Angeles San Gabriel Mtns, Table Mountain area, ridge immediately east of Jesus Canyon, at north end of road 4N57, NW of Wrightwood 1890 Comment
  UCR206493  Geranium dissectum A. C. Sanders, T. B. Salvato 2009-5-21 36902 Los Angeles San Gabriel Valley, Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines 66 Comment
  UCR281971  Gilia R. G. Swinney 2014-4-17 16094 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, 1.2 miles east of Cheseboro Rd., 100-400 m south of California Aqueduct 968 Comment
  RSA0068444  Gilia achilleifolia R. G. Swinney 2010-6-8 13208 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  UCR259072  Gilia achilleifolia R. G. Swinney 2010-6-23 13325 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  SEINET7963095 Image available Gilia achilleifolia Agatha Stratman 1938-1 183 Los Angeles Immaculate Heart College, Hollywood ? Comment
  UC1537493  Gilia achilleifolia subsp. achilleifolia Gordon H. True Jr. 1935-3-27 169 Los Angeles foothills 5 mi sw Palmdale; sw of Palmdale 944 Comment
  SDSU3050  Gilia achilleifolia subsp. multicaulis A. H. Gallup 1949-4-17 408 Los Angeles Lasca. 152 Comment
  UC879939  Gilia aliquanta I. W. Clokey and B. C. Templeton 1930-4-8 4689 Los Angeles s Saugus; s of Saugus Comment
  RSA470047  Gilia aliquanta subsp. aliquanta Robert Gustafson, Gary D. Wallace 1982-4-26 2524 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St 1006 Comment
  RSA590418  Gilia angelensis T. S. Ross 1993-4-21 6850 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft); slope and small ridges N of Cactus Peak summit. 427 Comment
  RSA596003  Gilia angelensis L. C. Wheeler 1967-5-2 9272 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 381 Comment
  SBBG14723  Gilia angelensis P. H. Raven 1962-3-27 17000 Los Angeles Palos Verdes Hills along Palos Verdes Drive 1.4 mi E of Portuguese Bend Comment
  UCR125487  Gilia angelensis A. C. Sanders, Mark Elvin 2003-4-14 25965 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  RSA72289  Gilia angelensis F. W. Peirson 1919-4-5 4706 Los Angeles Allen Ranch, Altadena. 366 Comment
  UCR222781  Gilia brecciarum subsp. brecciarum R. G. Swinney 2009-4-28 10555 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  SD234981  Gilia capitata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub. 2003-3-5 25710 Los Angeles NE end of Santa Susana Mountains: Newhall Ranch, Grapevine Mesa ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon (Val Verde 7.5' Q) 334 Comment
  RSA470246  Gilia capitata subsp. abrotanifolia Geo L. Moxley 1915-5-8 318 Los Angeles Cota, near Long Beach. Comment
  RSA570061  Gilia capitata subsp. abrotanifolia T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4888 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity 492 Comment
  RSA778745  Gilia diegensis Orlando Mistretta, Christine Mistretta 2010-6-3 5249 Los Angeles Mill Creek Canyon, 1.80 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  RSA0095180  Gilia latiflora subsp. latiflora Steve Boyd, Valerie Soza 1998-4-28 10178 Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  RSA71839  Gilia leptantha subsp. transversa F. W. Peirson 1921-5-20 4132 Los Angeles Little Rock Creek: north base of San Gabriel Mountains. 1006 Comment
  RSA729711  Gilia leptantha subsp. transversa R. G. Swinney 1999-6-18 7308 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  UCR194149  Gilia ochroleuca A. C. Sanders 2008-4-25 35107 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 1000 Comment
  CAS-BOT-BC407850  Gilia ochroleuca subsp. ochroleuca Herbert L. Mason 1926-4-27 3044 a Los Angeles San Gabriel Mountains, Rock Creek 1219 Comment
  RSA0016174  Gilia ochroleuca subsp. ochroleuca R. G. Swinney 1998-5-16 6096 Los Angeles San Gabrial Mountains/Mojave Desert: near Pinon Hills, Mescal Highlands, Graham Canyon, 1.7 mi. N of Panorama Way at Graham Cyn. Motorway, 0.6 mi. S of Ft. Tejon Rd. 1220 Comment
  CAS-BOT-BC402072  Gilia ochroleuca subsp. vivida John Thomas Howell 1947-7-18 23405 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  RSA469498  Gilia ochroleuca subsp. vivida F. R. Fosberg 1931-8-12 792 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  SD31173  Gilia tricolor Edith A. Purer 1931-3-12 988 Los Angeles Palos Verdes Hills. Comment
  UCR125255  Gnaphalium californicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25504 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  POM358780  Gnaphalium californicum Thekla Mohr 1897-1 s.n. Los Angeles San Gabriel Comment
  SBBG54557  Gnaphalium palustre F. Farris 1974-5-21 147 Los Angeles wash in Blanchard Park, Pomona College 335 Comment
  RSA0127465  Gnaphalium palustre Louis C. Wheeler 1967-7-18 10106 Los Angeles Gold Creek off Little Tujunga Canyon. 549 Comment
  RSA612315  Gnaphalium stramineum L. C. Wheeler 1932-6-4 802 Los Angeles Live Oak Canyon 518 Comment
  RSA578736  Grayia spinosa T. S. Ross, J. M. Porter 1994-5-1 7594 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  CAS-BOT-BC305251  Grindelia hirsutula Geo. B. Grant 1897-12-22 s.n. Los Angeles Elysian Park Comment
  POM359091  Grindelia robusta Ducelia Sabb 1937-7-20 19695 Los Angeles Baldwin Hills. Comment
  RSA162713  Guillenia lasiophylla J. D. Olmsted 1959-5-13 621 Los Angeles Evey Canyon, 200 yards west of San Antonio Canyon. 701 Comment
  POM49722  Hainardia cylindrica Le Roy Abrams 1901-06 1715 Los Angeles Ballona Creek, Mesmer., [33?57'40N, 118?27'20W] Comment
  SBBG113091  Harpagonella palmeri S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 351 Los Angeles NW flanks of Black Jack Pk, along Black Jack Rd 0.4 rd mi from intersection with Airport Rd, just before large switchback in rd, near old main shaft 487 Comment
  SBBG31241  Harpagonella palmeri R. F. Thorne 1966-4-5 Los Angeles above stream in Cottonwood Cyn 106 Comment
  UCR107797  Harpagonella palmeri Steve Boyd, V. Soza 1998-4-28 10158 Los Angeles Liebre Mtns., Plum Canyon SW of Cruzan Mesa along Arline Road, c. 2 mi west of the junction w/ Sierra Hwy in Mint Canyon, top of ridge on the south side of the canyon. 634 Comment
  CAS-BOT-BC307285  Hazardia squarrosa var. grindelioides J. Ewan 1931-10-24 5294 Los Angeles Escondido Canyon, Santa Monica Mts. 304 Comment
  SBBG131686  Hedypnois cretica S. A. Junak 1999-4-24 SCa 858 Los Angeles main rd, just S of [airport] rd 445 Comment
  JEPS26542  Helenium bigelovii Peter Kamb 1947-9-28 737 Los Angeles Little Jimmy Springs San Gabriel Mts., Little Jimmy Springs 2286 Comment
  RSA93873  Helenium puberulum F. W. Peirson 1923-10-21 4228 Los Angeles Sunset Canyon, Verdugo Mountains 457 Comment
  UCR145188  Helianthus annuus June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  RSA0083303  Helianthus gracilentus R. G. Swinney 2010-6-4 13044 Los Angeles Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 473 Comment
  RSA4799  Hemizonia australis James Snow 1932-1 s.n. Los Angeles Plants of the Bryant Ranch, Near Long Beach. Station 1, Plant #2 Comment
  RSA661000  Hemizonia fasciculata LeRoy Gross 2001-5-27 421 Los Angeles Verdugo Mountains, northwest side; Dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in city of Sun Valley, just west of mouth of McDonald Creek 427 Comment
  RSA666512  Hemizonia fasciculata A. C. Sanders, D. Malueg 2001-5-17 24342 Los Angeles Montebello Hills in Montebello, 11 acres gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decomissioned. 122 Comment
  UCR192922  Hemizonia fasciculata Dan S. Cooper 2008-5-4 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Western Canyon Road beyond end of Green Oak Dr., Los Angeles 260 Comment
  SEINET11848424  Hemizonia kelloggii J. F. Bright, Wyman, C. 1931-1 5577 Los Angeles back of Manhattan Beach Comment
  SBBG33694  Hesperocyparis forbesii S. Boyd with L. Lenz 2001-5-2 10425 Los Angeles Warm Springs Mtn, along rd to summit, just W of cutoff to Necktie Basin, on slope between rd and steep escarpment into Warm Springs Cyn Comment
  HSC79914  Hesperoyucca whipplei Philip A. Silverstone 1978-7-23 244 Los Angeles Santa Monica Mtns., Latigo Canyon Rd., 2.9 km inland from Hwy. 1 Comment
  UCR27039  Heterocodon rariflorum T. P. Krantz 1980-7-3 s.n. Los Angeles San Gabriel Mtns., Horse Flats Campground 1768 Comment
  CATA338  Heteromeles arbutifolia Mark L. Hoefs 1973-7-14 378 Los Angeles Santa Catalina Island: East of Wrigley Memorial Garden, upper Avalon Canyon 106 Comment
  RSA454318  Heteromeles arbutifolia C. B. Liter 1928-4-4 s.n. Los Angeles Catalina Island. Comment
  RSA659572  Heteromeles arbutifolia Brian McColgan 1988-5-10 8 Los Angeles Evey Cyn., 1 mile N of Padua on Mt. Baldy Rd 915 Comment
  UC1302356  Heteromeles arbutifolia Robert F. Thorne and P. C. Everett 1964-2-6 33300 Los Angeles Cherry Cove; Santa Catalina Island 60 Comment
  RSA0042668  Heteromeles arbutifolia Laura Moore, Jean Moore 1999-2-6 007 Los Angeles Pitzer College, Claremont: Along northwest boundary of Outback and Harvey Mudd soccer field. 350 Comment
  CAS-BOT-BC318857  Heterotheca grandiflora S. B. Parish; W. F. Parish 1881-10-1 177 a Los Angeles Santa Monica Comment
  RSA0074064  Heterotheca grandiflora Scott D. White 1995-10-19 3711 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  RSA0074078  Heterotheca grandiflora Steve Boyd, Lauren Raz 1996-9-24 8925 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  RSA0075646  Heterotheca grandiflora Scott D. White 2003-10-14 9828 Los Angeles San Gabriel Mountains: Foothills above Sierra Madre; Los Angeles Dept. of Public Works Auburn debris basin, above the north terminus of Auburn Ave. 396 Comment
  UCR68903  Heterotheca grandiflora Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4285 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  CAS-BOT-BC318868  Heterotheca grandiflora Le Roy Abrams 1899-6-1 215 Los Angeles Inglewood Comment
  RSA0074436  Heterotheca grandiflora G. R. Proctor 1944-01 775 Los Angeles Sand dunes at El Segundo. Comment
  RSA0075642  Heterotheca grandiflora George B. Grant 1905-5-10 s.n. Los Angeles Pasadena. Comment
  SFV12576  Heterotheca sessiliflora subsp. fastigiata M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-20 865 Los Angeles San Fernando Valley Big Tujunga Wash. Just behind Hansen Dam. 317 Comment
  RSA0062944  Heuchera elegans F. W. Peirson 1928-6-2 7935 Los Angeles Trail up south fork of Rock Creek, north face of San Gabriel Mts. 1905 Comment
  RSA0063111  Heuchera elegans Orlando Mistretta, Mark Elvin 1995-5-10 1698 Los Angeles San Gabriel Mountains. Bare Mountain Canyon, West Fork. 1540 Comment
  RSA0066249  Heuchera elegans J. Vlahos 1934-5-13 s.n. Los Angeles San Antonio Canyon. 1524 Comment
  POM360453  Hieracium albiflorum Anstruther Davidson 1893-7-4 s.n. Los Angeles Rock Creek. Comment
  POM360463  Hieracium argutum George R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  SEINET10598939  Hilaria rigida Carl C. Epling Epling s.n. Los Angeles Wash near Saltan Sea. 5 Comment
  RSA0022373  Hirschfeldia incana Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5133 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  SEINET944901  Hoffmannseggia glauca R. E. Riefner Jr. 2006-1 6 -295 Los Angeles Southern Coast: Long Beach, Studebaker Rd. at 22 Freeway (Los Alamitos 7.5') 6 Comment
  UC1348882  Holodiscus discolor Robert F. Thorne 1967-5-20 36905 Los Angeles in Descanso Canyon 1/4 way down from head at Airport Road to mouth, Santa Catalina Island Descanso Canyon; Santa Catalina Island, Descanso Canyon 228 Comment
  UCR95511  Holodiscus microphyllus var. microphyllus L. C. Wheeler 1966-10-6 8960 Los Angeles San Gabriel Mtns., Mt. Williamson 2485 Comment
  SBBG133657  Hordeum brachyantherum subsp. californicum F. R. Fosberg 1931-4-3 4477 Los Angeles Pebbly Beach 2 Comment
  UCR11857  Hordeum marinum subsp. gussoneanum P. H. Raven, David S. Verity 1960-5-7 15349 Los Angeles Western Transverse Range; Santa Monica Mtns., west of Cornell Corners 213 Comment
  UCR255490  Hordeum murinum Dan S. Cooper 2014-6-26 614- 02 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, north end of Fern Dell picnic area near Western Canyon Rd. 205 Comment
  UCR92052  Hordeum murinum Scott D. White 1996-4-21 3937 Los Angeles Geneva Ave., north of San Jose, south of Arrow Hwy, west of Indian Hill Blvd., east of Towne Ave. 323 Comment
  RSA623834  Hordeum murinum subsp. glaucum K. Scott 1921-2-8 s.n. Los Angeles York Blvd., Los Angeles Comment
  POM532464  Hordeum murinum subsp. leporinum Howard Mullins 1931-3-15 s.n. Los Angeles Los Angeles Comment
  UCR273582  Hordeum murinum subsp. leporinum R. G. Swinney 2011-7-7 15465 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), central camp area 1098 Comment
  RSA594742  Hordeum vulgare Timothy S. Ross 1995-4-7 8362 Los Angeles TEMPLIN HIGHWAY ca. 1800-1900 ft NE of its inter- section with the Old Ridge Route. 841 Comment
  UCR191526  Hordeum vulgare R. G. Swinney 1998-7-8 6318 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  RSA0092862  Hordeum vulgare Steven A. Junak, Mark Hoefs, Sara L. Crockett 1997-3-27 SCa- 369 Los Angeles Santa Catalina Island: Skull Canyon, at edge of hayfield at storage yard gate, ca. 0.4 road miles from intersection with Middle Ranch Canyon Road. 229 Comment
  RSA601622  Horkelia cuneata subsp. puberula Louis C. Wheeler 1967-6-16 9855 Los Angeles San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon. 579 Comment
  CAS-BOT-BC55481  Hornungia procumbens Ernest C. Twisselmann 1962-4-10 6849 Los Angeles Mojave Desert. Antelope Valley. Avenue A 2.8 miles west of Highway 6. Comment
  RSA638954  Hulsea heterochroma L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek near Cedar Springs. 1982 Comment
  RSA202419  Hydrocotyle verticillata June McCaskill 1968-6-2 733 Los Angeles In mud in central aisle in small lathhouse, behind residence at 532 North Catalpa Road, Arcadia Comment
  RSA93956  Hymenoclea salsola var. salsola F. W. Peirson 1921-5-19 1316 Los Angeles Little Rock Creek: north base of San Gabriel Mountains 945 Comment
  SFV12531  Isocoma menziesii var. menziesii J. W. Dole 1980-9-5 Los Angeles Santa Susana Mountains Santa Susana Mountains. Comment
  UC87270  Isocoma menziesii var. menziesii T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  CAS-BOT-BC311653  Isocoma menziesii var. vernonioides Peter H. Raven 1958-9-28 13736 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Elysian Park 198 Comment
  UCD133434  Isocoma menziesii var. vernonioides A. M. Johnson 1934-9-15 4535 Los Angeles Santa Monica Canyon, along Beverly (Sunset) Blvd., Santa Monica. Comment
  RSA639353  Isoetes nuttallii L. C. Wheeler 1934-3-11 2436 Los Angeles 1/2 mi. E Puddingstone Dam, San Jose Hills. 274 Comment
  SBBG12860  Jaumea carnosa E. R. Blakley 1961-9-23 4722 Los Angeles Ballast Pt Comment
  NY201870  Juglans californica J. B. Walker 1994-8-10 885 Los Angeles 4km S of Gormon, next to I-5 200 Comment
  RSA580972  Juglans californica Catherine A. Mish 1995-3-9 23 Los Angeles Santa Monica Mts., Hollywood Reservoir. 250 Comment
  RSA233383  Juglans californica var. californica Arthur C. Gibson, Linda Gibson 1972-2-26 2803 Los Angeles Collected at the jct. of Hwy 101 and Cobbal Canyon N of Malibu Comment
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May 28 2014
  RSA593501  Juglans californica var. californica Steve Boyd, Mike Wall 1996-5-16 8766 Los Angeles Liebre Mountains, Charlie Canyon in vicinity of prominent sandstone outcrop visible from Lake Hughes Road east of Castaic Lake 549 Comment
  SFV16168  Juglans californica var. californica P. A. Krueger 1994-5-18 42 Los Angeles San Gabriel Mountains 3 miles north on Mount Lowe Truck Trail from Chaney Trail. 1000 Comment
  UCR209194  Juglans nigra A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37164 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 69 Comment
  RSA0065714  Juncus Justin M. Wood 2011-7-7 4344 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  UC842094  Juncus acutus subsp. leopoldii F. R. Fosberg 1931-5-18 S 4899 Los Angeles Little Harbor Santa Catalina Island 5 Comment
  UCR277195  Juncus balticus R. G. Swinney 2010-6-8 13231 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  CATA814  Juncus bufonius var. bufonius Mark L. Hoefs 1991-6-17 1389 Los Angeles Santa Catalina Island: Near middle of Bulrush Canyon 368 Comment
  RSA0112557  Juncus bufonius var. occidentalis R. G. Swinney 2011-6-15 15187 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  UCR182852  Juncus macrophyllus R. G. Swinney 1997-8-6 5765 Los Angeles San Gabriel Mtns, Table Mountain area, ridge immediately east of Jesus Canyon, at north end of road 4N57, NW of Wrightwood 1890 Comment
  RSA368264  Juncus macrophyllus Geo L. Moxley 1915-7-21 395 Los Angeles 0.5 mi. above trail to Colby's Comment
  CAS-BOT-BC110157  Juncus mertensianus Robert F. Thorne; C. W. Tilforth; John Dourley 1969-7-29 38881 Los Angeles San Gabriel Mountains. Angeles National Forest. Near Lodgepole Picnic area at headwaters of Dorr Canyon, North slope Throop Peak, above Angeles Crest Highway, 1.2 mile southeast of Dawson Saddle. 2331 Comment
  POM1554  Juncus mexicanus I. M. Johnston 1917-4-11 s.n. Los Angeles Wilmington. Comment
  RSA368230  Juncus mexicanus Ralph Hoffmann 1930-4-28 2335 Los Angeles Lancaster Comment
  UC213662  Juncus phaeocephalus var. paniculatus I. Johnston 1917-5-13 Los Angeles El Monte 114 Comment
  CATA1383  Juncus textilis Mark L. Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1995-7-27 2506 Los Angeles Santa Catalina Island: Just below lower Bulrush Reservoir 281 Comment
  LA201938  Juncus xiphioides J. & H. Sauer; M. Zadny 1971-6-6 4926 Los Angeles SANTA MONICA MOUNTAINS, Upper Rustic Canyon. Comment
  RSA0092324  Juncus xiphioides R. G. Swinney 2011-6-29 15342 Los Angeles San Gabriel Mountains: Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  UCR270849  Juncus xiphioides R. G. Swinney 2011-6-29 15342 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  CHSC35462  Juniperus californica James Henrickson 1973-5-12 9594 Los Angeles 9 miles SW of Little Rock, 0.2 miles S of Mt. Emma Rd., along Hwy N3. 1188 Comment
  UC403030  Juniperus californica J. Burtt Davy May 9 1896-May 24 1896 2688 Los Angeles Leonis Valley Antelope Valley (summit of ridge) Comment
  UCR186582  Juniperus californica A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32211 Los Angeles Tehachapi Mtns. Foothills, hills immediately NW of Quail Lake, vicinity of Benchmark 3562/Quail 1098 Comment
  UCR281371  Juniperus californica R. G. Swinney 2014-4-23 16145 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  CAS-BOT-BC235751  Keckiella cordifolia Tim Ross; Orlando Mistretta 1993-5-27 7320 Los Angeles W end of the San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 841 Comment
  CHSC102903  Keckiella cordifolia L. P. Janeway 2009-5-15 9785 Los Angeles Peninsular Ranges. North slope of Puente Hills; Shabarum Regional County Park, along Shabarum Trail; 1.7 air km south-wouthwest of the junction of S. Azuza Ave and Colima Road. 342 Comment
  POM158261  Keckiella cordifolia M. B. Dunkle 1928-5-28 1967 Los Angeles Avalon Canyon, Santa Catalina Island. 46 Comment
  POM21408  Keckiella cordifolia George B. Grant 1901-7-26 s.n. Los Angeles Sturtevant's Camp, San Gabriel Mountians. Comment
  POM292778  Keckiella cordifolia Lyman D. Benson 1947-6-10 12519 Los Angeles Indian Hill, Claremont, Pacific slope 427 Comment
  RSA482506  Keckiella cordifolia Richard Noyes, L. Arnseth 1988-4-30 543 Los Angeles South facing slope of Thompson Creek Dam 500 Comment
  RSA649978  Keckiella cordifolia A. E. Hersh 1950-7-9 s.n. Los Angeles roadside [Topanga] Canyon, about 2 miles from west end. 91 Comment
  SBBG128439  Keckiella cordifolia M. L. Hoefs 1995-5-23 2077 Los Angeles lower Middle Ranch Cyn, near rd to Bullrush Cyn 115 Comment
  UCD123788  Keckiella cordifolia K. Harper 1987-5-2 s.n. Los Angeles Santa Monica Mountains, Mulholland, Hwy between Las Virgenes Valley overlook and Yerba Buena Road. Comment
  RSA0113212  Keckiella cordifolia Steven A. Junak 2000-5-19 SCa- 1321 Los Angeles Santa Catalina Island. N-facing slope overlooking Button Shell Beach, on N side of ridge between Button Shell Camp & White's Landing, just W of powerline route. 229 Comment
  SFV16966  Keckiella ternata var. ternata J. N. Hogue 1997-7-20 94 .1 Los Angeles San Gabriel Mountains Monte Cristo Creek. 1 km east of Monte Cristo Campground. 1159 Comment
  UC990918  Kochia californica D. F. Howe 1948-5-3 Los Angeles 3 mi. n. Lancaster 609 Comment
  CAS-BOT-BC123287  Koeleria cristata var. pinetorum LeRoy Abrams 1902-6-29 2599 Los Angeles Mt. Wilson Comment
  UC1870208  Krascheninnikovia lanata LeRoy Gross 2005-5-3 2191 Los Angeles Transverse Ranges; San Gabriel Mountains region; West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. Comment
  RSA640521  Lactuca serriola Steven A. Junak 1996-9-28 672 Los Angeles San Clement Island: W side of island, in middle portion of Box Canyon 335 Comment
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Jun 23 2015
  UCR126787  Lagophylla ramosissima Mark A. Elvin 2003-6-12 2946 Los Angeles Santa Clarita Valley, Newhall Ranch, south of Magic Mountain Amusement Park, west of The Old Road 366 Comment
  POM352632  Lamarckia aurea Anstruther Davidson 1890-05 s.n. Los Angeles [no locality information provided] Comment
  SEINET10598981  Lamarckia aurea Cyrus G. Pringle 1882-5-9 Pringle 15083 Los Angeles Comment
  POM3994  Lamium amplexicaule I. M. Johnston 1918-8-4 2133 Los Angeles Claremont. Comment
  RSA595875  Lamium amplexicaule Tim S. Ross, Victor W. Steinmann 1995-5-8 8544 Los Angeles Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3. 735 Comment
  POM188627  Lamium amplexicaule Louis C. Wheeler 1933-7-14 1937 Los Angeles Portrero Chico near Rio Hondo. 69 Comment
  RSA715180  Lampranthus aurantiacus A. C. Sanders 1988-2-18 7683 Los Angeles El Egundo Dune, W of LA International Airport, between Pershing Dr and Vista Del Mar Blvd 5 Comment
  SEINET12276259  Lantana camara W. F. Wight 1907-1 1591 Los Angeles Los Angeles, East Lake Park Comment
  RSA599212  Lantana montevidensis Louis C. Wheeler 1968-3-28 s.n. Los Angeles Foothills of San Gabriel Mountains: Vicinity of stables, Brown School for Girls. 335 Comment
  RSA612075  Lastarriaea coriacea Valerie L. Soza 1998-4-26 64 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. At center of BFS. 412 Comment
  CATA3286  Lasthenia californica Julie L. King 2017-2-28 64 Los Angeles Santa Catalina Island: Site of old stables in Avalon Canyon, along north edge of golf course, in area seeded by Santa Catalina Island Company in 2016 with California (not Catalina) native seeds 0 Comment
  RSA598209  Lasthenia californica Steve Boyd, Lauren Raz 1997-3-4 9139 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 610 Comment
  CAS-BOT-BC338132  Lasthenia californica A. R. Kruckeberg 1940-3-9 s.n. Los Angeles Summit of Pine Canon [Canyon] Road, Liebre Mts. Comment
  RSA151025  Lasthenia californica Peter H. Raven 1962-4-11 17283 Los Angeles San Clemente Island: sandy beach due west of Wall 2. 9 Comment
  SBBG131979  Lasthenia californica S. A. Junak, B. Collins 1991-4-24 SCI 150 Los Angeles S of airfield, just W of main rd 274 Comment
  UC30404  Lasthenia coronaria Dr. A. Davidson 1892-5-1 Los Angeles near Los Angeles Comment
  UC89997  Lasthenia coronaria J. C. Nevin Los Angeles Los Angeles Comment
  POM6002  Lasthenia glabrata subsp. coulteri L. R. Abrams 1903-4-10 3240 Los Angeles Ballona marshes near Mesmer Comment
  UCR70758  Lasthenia glabrata subsp. coulteri I. M. Johnston 1917-4-11 s.n. Los Angeles Coastal Plains and Basins; Los Angeles Basin, Near Gardena, [Dominguez] Slough 12 Comment
  UC144429  Lasthenia gracilis C. F. Baker 1904-7-30 4160 Los Angeles Claremont Comment
  POM12311  Lasthenia gracilis F. L. Robinson 54 Los Angeles Claremont Comment
  RSA628626  Lathyrus odoratus Steven A. Junak 1997-5-19 SCI- 877 Los Angeles San Clemente Island. Central portion of mesa, on west side of San Clemente Island Ridge Road, across from old airfield, at east end of abandoned building site. 259 Comment
  UCR131417  Lathyrus tingitanus Alison Lipman 1998-6-1 s.n. Los Angeles South Coastal Plains Region, Forestal property, Rancho Palos Verdes 305 Comment
  UCR3419  Lathyrus vestitus Bob Arthur 1964-5-10 640510- 8 Los Angeles San Gabriel Mountains, Monrovia Canyon, on North Canyon Blvd, 1.5 mi. from gate 610 Comment
  CATA3440  Lathyrus vestitus var. vestitus Benjamin J. Dion, Stuart Olshevski 2017-4-13 016 Los Angeles Santa Catalina Island: Channel Side; above White's Landing in China Wall watershed, below Airport Rd 139 Comment
  RSA405683  Lathyrus vestitus var. vestitus L. E. Hoffman 1932-3-14 s.n. Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  SBBG17050  Lathyrus vestitus var. vestitus K. A. Wilson 1961-2-20 867 Los Angeles Little Tujunga Cyn Comment
  UC864429  Lathyrus vestitus var. vestitus I. W. Clokey and E. G. Anderson 1931-3-11 5331 Los Angeles San Gabriel Canyon 800 Comment
  UC864434  Lathyrus vestitus var. vestitus I. W. Clokey and E. G. Anderson 1931-3-11 5331 Los Angeles San Gabriel Canyon 800 Comment
  CDA27150  Lathyrus vestitus var. vestitus T. C. Fuller 1965-4-26 13371 Los Angeles Old Topanga Canyon Road, 0.2 miles north of Highway 27, Topanga. 0 Comment
  CAS-BOT-BC520383  Layia glandulosa Steve Boyd; Gary Wallace 2011-4-14 12317 Los Angeles Transverse Ranges: Liebre / San Gabriel Mtns region. Acton Wash ca 3 km E of jct of Soledad Canyon Rd and Crown Valley Rd 829 Comment
  RSA630308  Layia glandulosa L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  SJSU5534  Layia glandulosa C. W. Sharsmith 1957-4-13 6374 Los Angeles c. 1 mi S of Gorman 1066 Comment
  UCR177463  Layia glandulosa LeRoy Gross 2005-5-3 2227 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  CAS-BOT-BC380224  Layia platyglossa Le Roy Abrams; I. L. Wiggins 1931-7-6 376 Los Angeles Mosquito Harbor, San Clemente Island Comment
  RSA545334  Layia platyglossa subsp. campestris Timothy S. Ross 1992-4-14 6151 Los Angeles San Clemente Island: Central E side of island, Midway between the mouth of Nanny Canyon and the First major escarpment draw S of it 183 Comment
  RSA92248  Layia platyglossa subsp. campestris F. W. Peirson 1919-3-27 328 Los Angeles Hills west of the Arroyo Seco, near Pasadena 457 Comment
  LA64421  Lepechinia fragrans Carl Epling; William Stewart June 1938 sn Los Angeles San Gabriel Mountains, Mt. Wilson Rd Comment
  CHSC95547  Lepidium fremontii LeRoy Gross 2005-5-19 2301 Los Angeles Mojave Desert; West Mojave Desert region: South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway. Started at Ave A, Near 34.820450N 118.16535W then walked south to 34.81703, 118.16403W. 722 Comment
  UCD115671  Lepidium fremontii Ira L. Wiggins 1966-4-15 20587 Los Angeles East of J.F.L. Motel, Pearblossom. Comment
  UC1871155  Lepidium nitidum var. nitidum T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4928 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880' (riparian area and lower adjacent slopes). Comment
  RSA772201  Lepidium virginicum var. pubescens R. G. Swinney 2009-5-27 10884 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA681295  Lepidium virginicum var. pubescens LeRoy Gross, Valerie Soza 2003-5-15 912 Los Angeles Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave., Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. 518 Comment
  RSA604996  Lepidospartum latisquamum L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Opposite mouth of Sawmill Canyon. 2011 Comment
  SFV16471  Lepidospartum squamatum P. M. Schiffman, J. A. Matos 1996-10-22 s. n. Los Angeles San Gabriel Mountains Along the old Ridge Route between Castaic Lake and Highway 138. Comment
  RSA602582  Leptochloa fusca subsp. uninervia L. C. Wheeler 1932-9-30 1409 Los Angeles Los Angeles River at Los Feliz Blvd. 122 Comment
  UCD118442  Leptosiphon aureus Louis C. Wheeler 1967-5-9 9394 Los Angeles San Gabriel Mountains, Aliso Canyon east of Acton, 1 mile downstream from Wagonwheel Ranch. 914 Comment
  SBBG80327  Leptosiphon bicolor F. C. Boutin 1967-4-23 1650 Los Angeles Nanny, NW of Lemon Tank 213 Comment
  RSA725117  Leptosiphon breviculus Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -19 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UCR256593  Leptosiphon breviculus Anuja Parikh, Nathan Gale 2011-5-26 3396 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.3 km ENE of Shortcut Station, 0.7 km north of State Hwy 2 (Angeles Crest Hwy) 1308 Comment
  POM364525  Leptosiphon ciliatus Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1676 Comment
  RSA73058  Leptosiphon ciliatus F. W. Peirson 1920-6-10 2790 Los Angeles San Gabriel Mts., summit of Mt. Wilson 1738 Comment
  RSA76237  Leptosiphon liniflorus F. W. Peirson 1951-6-23 942 Los Angeles Near Kewen Lake, Pasadena Comment
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Mar 27 2009
  RSA468545  Leptosiphon parviflorus L. C. Wheeler 1934-4-6 2508 Los Angeles San Dimas Canyon, San Gabriel Mountains. 442 Comment
  SBBG63095  Lessingia glandulifera var. glandulifera R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  UCR192822  Lewisia rediviva R. G. Swinney 1998-7-6 6295 Los Angeles San Gabriel Mtns., Grassy Hollow, east of Jackson Flats, on ridge c. 200 m north of entrance to Grassy Hollow Campground 2195 Comment
  RSA164310B  Leymus condensatus Wesley O. Griesel, B. Miller 1963-7-2 s.n. Los Angeles Old Grapevine, Angeles National Forest. 915 Comment
  RSA717067  Leymus condensatus Andrea Edwards, Pam De Vries 2006-4-11 67 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  UC1117456  Leymus triticoides Peter H. Raven 1962-5-21 17810 Los Angeles about 4 mi above ranch; Santa Catalina Island, Middle Canyon 274 Comment
  RSA713912  Lilium humboldtii subsp. ocellatum R. E. Riefner 2006-6-12 6 -236 Los Angeles Verdugo Mountains, N side of 210 Freeway, W ca. 0.6 mi from La Tuna Canyon Rd. exit. 488 Comment
  RSA0106320  Lilium humboldtii var. bloomerianum Lyman Benson 1954-6-27 15300 Los Angeles Little Dalton Canyon above Glendora. Mt. Range: San Gabriel. 426 Comment
  RSA527690  Limonium perezii Tim S. Ross, Annette H. Ross 1991-6-3 5512 Los Angeles West Pomona. 256 Comment
  RSA0081382  Limosella acaulis R. G. Swinney 2010-9-13 13803 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  UC303618  Linanthus aureus I. Johnston May 1917 977 Los Angeles San Gabriel Wash 152 Comment
  SEINET7047932  Linanthus aureus Steven R. Hill, Kate Kramer 2001-4-22 33387 Los Angeles South side of California Route 138 (Pearblossom Highway) just east of Palmdale and about 1 mile west of Little Rock; west side of Little Rock Wash. Elevation about 2820 feet. Comment
  CAS-BOT-BC226751  Linanthus californicus Alva D. Day 1996-4-26 96 -2 Los Angeles San Gabriel Mts. N of Claremont and below Camp Baldy, Mt. Baldy Road near entrance to the lower of two tunnels Comment
  POM364707  Linanthus concinnus Anstruther Davidson 1906-6-1 s.n. Los Angeles Big Rock Creek, Lowell Mine. Comment
  RSA0116314  Linanthus dichotomus A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31965 Los Angeles Tehachapi Mtns. Foothills: south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  UCR275001  Linanthus dichotomus Michael Honer, Rachel Woodard 2006-4-25 2227 Los Angeles Tehachapi Mountains area, C. 2.5 miles NE of Quail Lake; 1 mile north of Hwy 138 1006 Comment
  UCR151332  Linanthus parryae LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 880 Los Angeles Transverse Ranges/San Gabriel Mtns region, Big Rock Creek, N and east of Valyermo Ranger Station off Big Pines Hwy 1143 Comment
  UCR270097  Linanthus parryae R. G. Swinney 2011-4-20 14440 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  UCR275014  Linanthus parryae Michael Honer, Rachel Woodard 2006-4-17 2193 Los Angeles Tehachapi Mountains area, Oso Canyon; c. 1 mile north of Quail Lake; 1 mile west of cement plant road 1067 Comment
  CAS-BOT-BC426265  Lithophragma affine M. E. Jones 1882-5-3 3223 Los Angeles Pasadena Comment
  UC519998  Lithophragma affine Louis C. Wheeler 1932-3-26 533 Los Angeles Puddingstone Dam , Puddingstone Dam (San Jose Hills) 274 Comment
  UC858163  Lithophragma affine F. R. Fosberg 1931-4-13 S 4581 Los Angeles head of Pebble Beach Canyon rt fork Santa Catalina Island (Santa Catalina Island, Renton Mine Road); , head Pebble Beach Canyon rt fk 290 Comment
  IRVC26632  Lithophragma affine subsp. mixtum Reid Moran 1941-3-6 682 Los Angeles Santa Catalina Island; Middle Ranch Canyon; N side of bank Channel Islands 300 Comment
  UCR147298  Lithophragma bolanderi Orlando Mistretta, Peter L. Morrell 1992-6-4 490 Los Angeles Transverse Ranges; San Gabriel Mountains region, Shortcut Canyon, OVH area. Arroyo District, paralleling Big Tujunga 1463 Comment
  CAS-BOT-BC432211  Lithophragma bolanderi Timothy S. Ross 1993-6-1 7353 Los Angeles Upper Winter Creek Trail between Chantry Flat and Hoegee Camp (on Winter Creek), on the W side of Santa Anita Canyon. Mt. Wilson 7.5 USGS gradrangle. 804 Comment
  CAS-BOT-BC520309  Lobelia dunnii var. serrata R. G. Swinney 2009-8-6 11509 Los Angeles Transverse Range: San Gabriel Mountains; Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Cyn, San Dimas Experimental Forest 475 Comment
  RSA502793  Lobelia dunnii var. serrata T. S. Ross, Annette H. Ross 1989-9-20 1779 Los Angeles San Antonio Canyon near pond west of Spring Hill and below Baldy Road in the Canyon 975 Comment
  UCR276903  Lobularia maritima R. G. Swinney 2011-3-29 14285 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  RSA690927  Loeseliastrum matthewsii J. Mark Porter, Lauren Machen 2004-5-2 14085 Los Angeles San Gabriel Mountains, northern foothills; ca. 0.25 mi. E of Largo Vista Road, several miles S of the California Aqueduct. 1360 Comment
  UCR281608  Loeseliastrum matthewsii R. G. Swinney 2014-4-10 16053 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA586648  Loeseliastrum matthewsii Orlando Mistretta 1995-6-1 1758 Los Angeles Carr Canyon. San Gabriel Mountains. 976 Comment
  CATA1767  Logfia gallica Denise Kraus 2000-4-27 18 Los Angeles Santa Catalina Island: (Goat Harbor burn area) On western side of large, obvious rocky outcrop which is on western fuel break ridge 381 Comment
  SBBG113036  Logfia gallica S. A. Junak with K. Kirkland 1998-4-30 SCa 555 Los Angeles upper part of Hamilton Cyn drainage, just downslope from Airport Rd 304 Comment
  UC1595309  Lolium perenne Tim Ross and Steve Boyd 1990-6-18 3492 Los Angeles northerly draw draining to Jackson Lake (Camp Verdugo Pines and vicinity); San Gabriel Mtns., Mescal Creek Quad, Camp Verdugo Pines 1877 Comment
  UCR205566  Lolium perenne R. G. Swinney 2008-5-30 8901 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  CAS-BOT-BC271184  Lolium temulentum Le Roy Abrams 1901-4-1 1184 Los Angeles Inglewood Comment
  LA51813  Lomatium dasycarpum Mildred E. Mathias; 1957-4-4 3160 Los Angeles Santa Monica Mountains, Decker Canyon Rd, 0.3 mi SW of Decker Fire Station. Fire trail Comment
  UC519921  Lomatium dasycarpum subsp. dasycarpum Carl Epling and Louis Wheeler 1933-6-4 1851 Los Angeles near Summit (Ridge Route); Ridge Route 1524 Comment
  UCSB7349  Lomatium lucidum Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon Comment
  SEINET12118935  Lomatium utriculatum J. F. Bright, Wyman, C. 1933-1 8359 Los Angeles Antelope Valley Comment
  CLARK-A1528-2397  Lonicera hispidula var. vacillans Henry Joseph Thompson 1960-6-7 3070 Los Angeles Malibu Canyon 152 Comment
  UC1871165  Lonicera interrupta T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-28 3975 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: NW slope between Tentrock Canyon and Poison Oak Canyon; T8N R17W ctr sect 33; elevation 4600-5040 feet. Comment
  OBI35710  Lonicera japonica Rebecca Cicoria 1982-4-26 56 Los Angeles Palos Verdes Peninsula: Lower Blackwater Canyon, Rolling Hills. Comment
  RSA455375  Lonicera subspicata var. denudata B. C. Templeton 1920-5-27 1418 Los Angeles Near Mulholland Drive. North of Beverly Hills. 600 Comment
  RSA638854  Lonicera subspicata var. denudata Valerie L. Soza, Laura Moore 1999-6-30 572 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above Hoegee Campground. 853 Comment
  RSA515124  Lotus argophyllus subsp. ornithopus Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-30 803 -3 Los Angeles San Clemente Island: Pyramid Head, S end of island 15 Comment
  UC496529  Lotus argophyllus var. argophyllus T. Craig 1927-6-8 402 Los Angeles Bear Canyon Trail to Mt. San Antonio (e Los Angeles Co) Comment
  RSA703180  Lotus crassifolius var. crassifolius Scott D. White 2004-8-11 10712 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  POM155856  Lotus dendroideus var. dendroideus M. B. Dunkle 1928-4-11 1851 Los Angeles Emerald Bay, Santa Catalina Island. 15 Comment
  RSA151679  Lotus grandiflorus var. grandiflorus R. C. Bacigalupi 1953-6-15 4203 Los Angeles along forest service road following the crest of Mendenhall ridge, 13 miles east of its start at paved road crossing western crest of this ridge betwenn Little Tujunga and Pacoima canyons 1585 Comment
  RSA563489  Lotus grandiflorus var. grandiflorus T. S. Ross 1993-5-13 7125 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  RSA406135  Lotus grandiflorus var. grandiflorus L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon Comment
  RSA746958  Lotus heermannii R. G. Swinney 2008-4-30 8712 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR230255  Lotus heermannii Dan S. Cooper 2011-4-26 411- 5 Los Angeles Los Angeles Basin/San Gabriel Mtns. Foothills, Sunland, Big Tujunga Wash, between 210 Fwy and Foothill Blvd. 358 Comment
  POM175415  Lotus oblongifolius var. oblongifolius Joseph A. Ewan 1930-6-23 2653 Los Angeles Little Cienega below Crystal Lake 1463 Comment
  RSA406208  Lotus oblongifolius var. oblongifolius F. R. Fosberg 1931-8-15 S 5544 Los Angeles Big Cienega , pine Flats, N. fork San Gabriel River 2000 Comment
  RSA0108841  Lotus procumbens R. G. Swinney 2010-6-1 13156 Los Angeles San Gabriel Mountains: Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  UC625013  Lotus purshianus var. purshianus F. R. Fosberg 1931-7-11 S 4386 Los Angeles Mouth of Cape Canyon Santa Catalina Island 200 Comment
  UCR266275  Lotus salsuginosus D. E. Bramlet 2005-4-13 3799 Los Angeles Puente Hills, Powder Canyon 229 Comment
  POM82719  Lotus salsuginosus var. salsuginosus P. A. Munz 1925-4-23 9446 Los Angeles San Gabriel Canyon. 488 Comment
  SEINET12151341  Lotus scoparius H. M. Hall 1902-1 3094 Los Angeles San Francisquito Pass 457 Comment
  SEINET243736 Image available Lotus scoparius var. brevialatus Unknown, Scott Steppan 1883-1-4 Los Angeles Sierra Madre Villa Comment
  RSA0098375  Lotus strigosus R. G. Swinney 2011-6-14 15123 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA485351  Lotus strigosus Steve Boyd 1987-4-14 2037 Los Angeles Rincon - Red Box Rd. S. of Rincon Forest Station, N. of Glendora Comment
  RSA752798  Lotus strigosus Robert F. Thorne 1980-4-25 54132 Los Angeles Santa Catalina Island. Along road from Blackjack Camp to Orizaba Peak. 579 Comment
  SEINET3560035 Image available Lotus strigosus Alice M. Ottley 1920-5-5 599 Los Angeles Pasadena Comment
  RSA17984  Lotus strigosus P. A. Munz 1923-5-26 6871 Los Angeles San Gabriel Mountains, Rock Creek 1296 Comment
  RSA0038715  Lotus strigosus var. strigosus R. G. Swinney 2010-3-22 11995 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  SBBG125448  Lupinus albicaulis A. Parikh, N. Gale 2010-6-17 3316 Los Angeles upper Big Tujunga Cyn, just N of St Hwy 2, 0.4 km E of intersection of St Hwy 2 and upper Big Tujunga Cyn Rd, San Gabriel Mtns 1415 Comment
  UC864978  Lupinus albifrons C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-5-13 4746 Los Angeles Boquet Canyon Comment
  SEINET10488421  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at santa ana botanical garden. Hybridization by d.b.dunn. Rsa # 6450 x self plant 2 Comment
  SEINET2062551 Image available Lupinus albifrons var. eminens Norman C. Cooper 1945-5-1 2176 Los Angeles Tapia Park area, Santa Monica Mts. 304 Comment
  CHSC29257  Lupinus benthamii Geraldine Brown 1977-4-11 83 Los Angeles E of Hwy 99 along roadside, 48 mi s of Bakersfield. 128 Comment
  JEPS87213  Lupinus bicolor Rhonda Riggins 1988-3-25 1596 Los Angeles 3.2 mi e 170th St. W. (Lancaster Rd. 3.2 mi w jct with 110th St. W, Antelope Valley); Antelope Valley 822 Comment
  RSA0095253  Lupinus bicolor R. G. Swinney 2011-5-6 14582 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  SBBG71253  Lupinus bicolor R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  SD215533  Lupinus bicolor Steve Boyd, Lauren Raz 1997-3-26 9374 Los Angeles Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 975 Comment
  UCR174986  Lupinus bicolor Holly Summers 2006-4-30 001 Los Angeles San Gabriel Mtns., hills northeast of Tujunga, foot of Bluegum Canyon, north side of Day St. between Leona Ave. an Haines Canyon Rd. 585 Comment
  UCR203181  Lupinus bicolor R. G. Swinney 2005-5-21 8267 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  SD37874  Lupinus bicolor Edith A. Purer 1931-3-16 1020 Los Angeles Manchester Ave. Comment
  RSA167570  Lupinus bicolor subsp. tridentatus Robert F. Thorne, Percy C. Everett 1964-4-15 33688 Los Angeles 10 miles NW of Mariposa Comment
  RSA652105  Lupinus chamissonis G. A. Conley 1955-5-21 s.n. Los Angeles Playa Del Rey Sand Dunes. Comment
  RSA674641  Lupinus concinnus Scott D. White, Kent Hughes 2000-5-16 7858 Los Angeles Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  UCR220214  Lupinus concinnus R. G. Swinney 2009-4-2 10274 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.5 miles south of Hwy 138 on east side of Bob's Gap Road 1220 Comment
  RSA0023261  Lupinus concinnus Robert F. Thorne 1980-4-25 54135 Los Angeles Santa Catalina Island. Along road from Blackjack Camp to Orizaba Peak. 579 Comment
  RSA0042222  Lupinus concinnus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2845 Los Angeles Santa Catalina Island: By upper end of road to Toyon Beach. 411 Comment
  RSA0092866  Lupinus concinnus Steven A. Junak, Mark Hoefs, Sara L. Crockett 1997-3-27 SCa- 362 Los Angeles Santa Catalina Island: Cape Canyon, along road to Cape Canyon Reservoir, just SE of pump house by creek. 305 Comment
  UCR271048  Lupinus concinnus subsp. concinnus R. G. Swinney 2011-6-6 15018 A Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  CAS-BOT-BC205157  Lupinus elatus I. M. Johnston 1918-7-6 2086 Los Angeles San Antonio Mountains. Prairie Fork of San Gabriel River 1981 Comment
  UC1178506  Lupinus elatus Peter Kamb 1947-6-30 615 Los Angeles below summit of Mt. Islip San Gabriel Mountains 2438 Comment
  SEINET10450544  Lupinus elatus Robert F. Thorne, C. W. Tilforth; John Dourley; Ron Scogin 1972-8-11 Thorne 42209 Los Angeles San Gabriel Mts., Angeles National Forest: Mt. Waterman, E end of Mt. Waterman ridge. 2316 Comment
  UCR114183  Lupinus excubitus A. C. Sanders, D. Malueg 1998-6-24 22060 Los Angeles San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  RSA599629  Lupinus excubitus var. austromontanus Steve Boyd, Lauren Raz 1997-4-16 9523 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  SEINET10485298  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA 6226 x 6452(2) Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  UCR270260  Lupinus formosus R. G. Swinney 2011-6-15 15158 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  RSA008610  Lupinus formosus Fay A. MacFadden 1931-3-10 3003 Los Angeles Tuna Canyon Comment
  SBBG45472  Lupinus formosus D. Emery 1955-4-28 Los Angeles 2 mi N of Big Rock Crk on Hwy 138 Comment
  SD86324  Lupinus guadalupensis R. Mitchel Beauchamp, M. Douglas 1972-3-24 3225 Los Angeles San Clemente Island, in open areas south of Eel Point 24 Comment
  OBI69270  Lupinus hirsutissimus John Knapp, Denise Knapp 2003-4-13 11 Los Angeles Catalina Island 44 Comment
  RSA0045267  Lupinus hirsutissimus R. G. Swinney 2010-3-22 12012 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA413683  Lupinus hirsutissimus Alton Clare 1929-2-24 s.n. Los Angeles Santa Monica Canyon Comment
  UC557770  Lupinus hirsutissimus Nell Murbarger April, 1936 60 Los Angeles e side San Clemente Island; e side San Clemente Island Comment
  UC1178509  Lupinus hyacinthinus Peter Kamb June 1947 625 Los Angeles slopes above Pine Flats; San Gabriel Mts., slopes above Pine Flats 2133 Comment
  RSA678835  Lupinus longifolius Valerie L. Soza, LeRoy Gross 2001-4-24 1174 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.5 mile WNW of the Santa Anita Dam 823 Comment
  UCR137731  Lupinus longifolius L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Divide between Punchbowl Canyon and Watkins Creek, at end of the road and beginning of Burkhart Trail 1585 Comment
  SEINET10838227  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in a field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  IRVC26357  Lupinus microcarpus var. microcarpus A. C. Sanders, Mark A. Elvin 2003-4-16 26037 Los Angeles Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank Santa Clara River watershed 305 Comment
  SEINET10488799  Lupinus nanus Fisher 1948-3-20 Fisher s.n. Los Angeles California state polytechnic college. San dimas, ca. Comment
  SFV19154  Lupinus odoratus J. N. Hogue, S. G. Hogue, J. M. Wrublik 2003-5-12 194 .1 Los Angeles Mojave Desert Alpine Butte. 850 Comment
  RSA413821  Lupinus odoratus var. odoratus N. C. Cooper 1949-4-19 3608 Los Angeles Mojave Desert, Lancaster. 762 Comment
  UCR266384  Lupinus sparsiflorus D. E. Bramlet, Allison D. Rudalevige 2009-4-27 4365 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Oro Vista Ave. west of Big Tujunga Canyon Rd. 397 Comment
  RSA600827  Lupinus sparsiflorus subsp. sparsiflorus Joseph A. Ewan 1933-04 10909 Los Angeles Santa Monica Mountains: Higgins Canyon. 457 Comment
  RSA681845  Lupinus sparsiflorus subsp. sparsiflorus Scott D. White, Michael Honer 2003-6-11 9537 Los Angeles Liebre Mountains: Tapia Canyon. About 2 air miles east of Interstate 5 jtn. at Old Ridge Rt. 396 Comment
  SBBG13601  Lupinus succulentus P. H. Raven 1962-5-9 17677 Los Angeles near head of cyn at S end of Mosquito Cove 335 Comment
  SBBG38735  Lupinus succulentus M. B. Dunkle 1939-4-5 7279 Los Angeles Pyramid Cove Comment
  RSA414332  Lupinus succulentus Ora M. Clark 1929-2-3 1502 Los Angeles Palos Verdes Estates Comment
  RSA652474  Lupinus succulentus Edward Kai 1970-3-10 s.n. Los Angeles Diamond Bar. 1 mi W. of Golden Springs Dr. 609 Comment
  SD84827  Lupinus succulentus Reid Moran 1941-3-2 666 Los Angeles Santa Catalina Island; between Wilson's Cove and Howlands. 24 Comment
  UCSB41784  Lupinus succulentus Dressler, Robert 1949-3-13 Los Angeles N of Athens Comment
  RSA0083315  Lupinus truncatus R. G. Swinney 2010-3-22 12024 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  UCR205195  Lupinus truncatus R. G. Swinney 2008-4-30 8707 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  SBBG98538  Lupinus truncatus T. Ross 1991-5-21 5420 Los Angeles upper reaches of Box Cyn, SW side of island; just above the main wash area 403 Comment
  RSA722097  Lycium barbarum R. E. Riefner 2007-3-10 7 -115 Los Angeles Palos Verdes Peninsula, vicinity of Via Coronel Rd. and Via Olivera Rd. 115 Comment
  CATA3236  Lycium californicum Julie L. King 2017-1-17 47 Los Angeles Santa Catalina Island: North side of West End Rd., north side of Cherry Valley, 0.5 road miles east of road to Cherry Valley 62 Comment
  SBBG12669  Lycium californicum E. R. Blakley 1962-6-10 5216 Los Angeles Wilson Cove 9 Comment
  CAS-BOT-BC142324  Lyonothamnus floribundus subsp. floribundus W. S. Lyon 1884-7-1 s.n. Los Angeles Mt. top of Santa Catalina Island Comment
  UCR13482  Lyonothamnus floribundus subsp. floribundus O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  CATA3080  Madia gracilis Amy Catalano 2016-4-13 068 Los Angeles Santa Catalina Island: Along Middle Ranch Road, about 300 meters east of fruit orchard, on south side of road 254 Comment
  RSA188029  Madia gracilis R. F. Thorne 1966-4-30 36345 Los Angeles Santa Catalina Island: mouth of Gallagher's Canyon. 8 Comment
  RSA733424  Madia gracilis R. G. Swinney 1998-7-21 6481 Los Angeles 0.8 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2256 Comment
  UCR223373  Madia gracilis R. G. Swinney 2009-7-23 11393 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA226929  Malacothamnus davidsonii Robert F. Thorne, C. W. Tilforth 1971-6-17 39961 Los Angeles San Gabriel Mountains, Angeles National Forest: 2 mi. up Lower Tujunga Rd. from Forestry Headquarters 457 Comment
  SBBG118478  Malacothamnus davidsonii O. Mistretta 1992-7-14 723 Los Angeles Gold Cyn Trail; Tujunga Ranger District Comment
  UCR282335  Malacothamnus davidsonii D. E. Bramlet, Robt. L. Allen 2011-4-20 4802 Los Angeles San Gabriel Mountains, Big Tujunga Wash, 223 ft. west of Big Tujunga Canyon Rd. and 95 ft. north of Oro Vista Ave. 398 Comment
  CAS-BOT-BC206214  Malacothamnus fasciculatus Peter H. Raven 1962-5-21 17802 Los Angeles Bullrush Canyon, about opposite ranch in Middle Canyon, Santa Catalina Island 213 Comment
  CATA1654  Malacothamnus fasciculatus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-6-13 2941 Los Angeles Santa Catalina Island: Behind Little Harbor 9 Comment
  UC450786  Malacothamnus fasciculatus Fay A. MacFadden 1931-5-28 78 E Los Angeles Tuna Canyon, Verdugo Hills Comment
  RSA599618  Malacothrix californica Steve Boyd, Lauren Raz 1997-4-16 9512 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  RSA0105018  Malacothrix clevelandii R. G. Swinney 2011-6-22 15276 Los Angeles San Gabriel Mountains: Charlton Flat Picnic Area, along East Fork Alder Creek, 0.2 miles west of Angeles Crest Hwy. 1598 Comment
  RSA710599  Malacothrix clevelandii R. K. Brummitt, S. D. Boyd 1998-5-25 20023 Los Angeles NW end of San Gabriel Mtns., 12 km N of San Fernando just E of Rte. 14 545 Comment
  RSA589249  Malacothrix coulteri Timothy S. Ross 1991-4-28 4745 Los Angeles Adobe Mountain, southwesterly extension of the mountain 927 Comment
  UCR119337  Malacothrix glabrata B. G. Pitzer 1998-5-12 3682 Los Angeles Western Mojave Desert, c. 18 mi. north of Adelanto, on 240th Street East, c. 2.8 mi north of intersection with El Mirage Road (= Avenue 'P'), and 3.2 mi. south of Avenue 'J 953 Comment
  LA200247  Malacothrix saxatilis var. tenuifolia Jonathan Sauer; et. al. 1969-6-4 4576 Los Angeles Santa Monica Mountains, Tuna Canyon, lower portion of canyon Comment
  SD92010  Malacothrix saxatilis var. tenuifolia Reid Moran, R. M. Beauchamp and T. Oberbauer 1975-8-22 22668 Los Angeles San Clemente Island; Wilson's Cove. 20 Comment
  UCR273291  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-10-18 15840 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  POM6228  Malacothrix saxatilis var. tenuifolia D. L. Crawford, H. D. Hiatt 1916-3-28 578 Los Angeles Santa Monica Mountains. Comment
  RSA609969  Malva nicaeensis Louis C. Wheeler 1970-5-14 s.n. Los Angeles Watts: Success Street, just south of 103rd Street. Comment
  UC1587632  Malva parviflora Tim Ross 1991-4-21 4508 Los Angeles Whittier Hills, (Puente Huills, pro parte), Lower Turnbull Canyon drainage Whittier Hills 182 Comment
  UCR256928  Malvella leprosa Jeremiah George 2012-4-25 s.n. Los Angeles Compton, decommissioned railroad right-of-way NW of intersection of W Carob St. and South Acacia Ct., c. 1000 ft. west of Compton Creek channel, south of W Greenleaf Blvd., Rancho Dominguez area 21 Comment
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Jan 26 2015
  UCR187254  Marah fabacea A. C. Sanders 2006-4-21 32130 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles ENE of Quail Lake, east of the Cement Plant Rd. and Calif. Aqueduct, north of Hwy 138 1006 Comment
  CDA990  Marah macrocarpa D. G. Kelch 1991-3-24 1338 Los Angeles Foothills of Santa Monica Mountains North of Hollywood. Comment
  RSA187678  Marah macrocarpa R. F. Thorne 1966-9-14 s.n. Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon. Margin of reservoir. 198 Comment
  RSA441002  Marah macrocarpa T. S. Clare 1929-3-10 s.n. Los Angeles Topanga Canyon Comment
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Jul 10 2011
  UCR259762  Marah macrocarpa R. G. Swinney 2010-5-11 12638 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  RSA592607  Marrubium vulgare Mark Hoefs, D. Propst 1973-3-14 98 Los Angeles Cape Canyon, Santa Catalina Island. 290 Comment
  SBBG12656  Marrubium vulgare E. R. Blakley 1962-6-10 5241 Los Angeles stone check dam halfway up cyn, halfway between Eel Pt and Seal Cove 53 Comment
  UC76187  Marrubium vulgare Pupils of Los Angeles High School under Miss E. Palmer May 1902 Los Angeles Garvanza Comment
  UC166694  Matricaria discoidea unknown 1901-3-14 Los Angeles Pasadena Comment
  POM2401  Medicago lupulina D. L. Crawford 1916-4-20 s.n. Los Angeles Claremont. Comment
  CATA3295  Medicago polymorpha Amy Catalano, Jen Dreizehn 2017-3-16 012 Los Angeles Santa Catalina Island: About 70 m N of Empire Landing Rd., across road from Buffalo Springs Reservoirs 452 Comment
  HSC14981  Medicago polymorpha Gerald T. Rood 1962-4-20 26 Los Angeles 21905 Redbeam Ave., Torrance, on E side of lot. Comment
  POM12340  Medicago polymorpha F. L. Robinson 1921-3-18 s.n. Los Angeles Claremont. Comment
  RSA681337  Melia azedarach LeRoy Gross, Valerie Soza 2003-5-15 920 Los Angeles Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave., Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. 366 Comment
  SFV21024  Melia azedarach L. Gross 2002-3-31 502 Los Angeles San Fernando Valley Big Tujunga Wash where the storm waters run down through Haines Canyon channel, east of Foothill Blvd. South side of wash. 366 Comment
  CAS-BOT-BC281531  Melica imperfecta H. E. Hasse 1888-4-1 s.n. Los Angeles Hills near Los Angeles Comment
  RSA3499  Melica imperfecta C. B. Wolf 1932-5-9 3442 Los Angeles Santa Catalina Island. Base of cliff opposite the tent city. 8 Comment
  RSA724991  Melica imperfecta K. Dobry 1991-5-13 d- 544 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  SEINET263606 Image available Melica imperfecta R. L. Lingenfelter 1954-5-11 888 Los Angeles Soledad Canyon Road near Tick Canyon Comment
  UC440484  Melica imperfecta Carl Epling and Lincoln Ellison 1929-3-16 Los Angeles Topanga Canyon; Santa Monica Mountains Comment
  UCD87952  Melica imperfecta F. W. Peirson 1923-4-12 3420 Los Angeles Wilsons Cove, San Clemente Island. Comment
  UCR126647  Melica imperfecta A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26130 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  UCR223164  Melica imperfecta R. G. Swinney 2009-5-20 10814 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  UCR276767  Melica imperfecta R. G. Swinney 2011-5-16 14733 Los Angeles San Gabriel Mountains, Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 deg. SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  POM348158  Melilotus albus Frances M. Morey 1922-5-22 s.n. Los Angeles Culver City. Comment
  RSA127793  Melilotus albus Peter H. Raven, Henry J. Thompson 1959-9-6 14379 Los Angeles Near mouth of Malibu Creek. Santa Monica Mountains. 12 Comment
  SBBG12725  Melilotus indicus E. R. Blakley 1962-6-10 5213 Los Angeles camp area, Wilson Cove 30 Comment
  RSA91367  Melilotus indicus F. W. Peirson 1919-5-21 450 Los Angeles Arroyo Seco, south base of San Gabriel Mountains 426 Comment
  RSA435439  Mentzelia Robert Gustafson, Gary D. Wallace 1982-4-26 2526 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St. 1006 Comment
  SFV6137  Mentzelia affinis M. H. Grayum, D. R. Perry 1974-4-3 7441 Los Angeles Palos Verdes Peninsula Palos Verdes Peninsula. Coastal bluff at Flat Rock Point. 15 Comment
  UCR191251  Mentzelia congesta R. G. Swinney 1998-7-2 6220 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  POM69717  Mentzelia dispersa F. W. Peirson 1922-5-30 3074 Los Angeles west spur of Mt. Lowe 1372 Comment
  UCR139912  Mentzelia laevicaulis Scott D. White 1997-5-14 5134 Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  UCR104149  Mentzelia micrantha Scott D. White 1997-5-21 5213 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, slope above Hwy 39, above San Gabriel Reservoir 488 Comment
  UCR177305  Mentzelia micrantha LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1042 Los Angeles Transverse Ranges; Verdugo Mountains region, South side of mountains, Brand Canyon, at check dam ( man-made waterfall), where the canyon forks 393 Comment
  RSA736154  Mentzelia micrantha Rosemarie Zimmermann 1961-6-8 140 Los Angeles Dalton Road, 1.5 mi. N. of Big Dalton Dam. Big Dalton Canyon. San Dimas Experimental Forest 610 Comment
  RSA524170  Mentzelia montana Tim S. Ross, Steve Boyd 1990-6-6 2877 Los Angeles Piru Pond: Los Padres National Forest. 645 Comment
  RSA282495  Mentzelia ravenii H. J. Thompson 1960-4-10 3044 Los Angeles 3.9 miles SE of Pearblossom on road to Valyermo. Mojave Desert. 1067 Comment
  UCR189843  Mentzelia veatchiana R. G. Swinney 1998-7-27 6508 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  UCR54649  Mentzelia veatchiana A. C. Sanders 1988-4-22 7795 Los Angeles Western Mojave Desert, near Quartz Hill in Lancaster, south of Avenue 'L' at 37th St. West 747 Comment
  SFV1131  Mesembryanthemum crystallinum K. A. Wilson 1961-3-16 1034 Los Angeles Point Dume, Westward Beach Road. Base of cliff on steep sandy slope. 10 Comment
  RSA402627  Mesembryanthemum nodiflorum F. R. Fosberg 1931-5-21 s.n. Los Angeles Santa Catalina Island. Parsons Landing. 2 Comment
  UCD134512  Micropus californicus var. californicus M. Vincent 1963-5-22 358 Los Angeles Santa Monica Mountains. Intersection of Old Topanga Canyon and Mulholland. 1/2 mile off road. Comment
  CAS-BOT-BC348917  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1962-4-18 6958 Los Angeles Tehachapi Mountains. Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine 1005 Comment
  CAS-BOT-BC349096  Microseris douglasii subsp. tenella Kenton L. Chambers 1954-4-26 498 Los Angeles Ventura Blvd. (Hwy. 101), Russell Valley, ca. 3 mi. e. of Thousand Oaks Comment
  POM363448  Microseris heterocarpa Anstruther Davidson 1902-5-4 s.n. Los Angeles Redondo. Comment
  RSA535271  Microseris heterocarpa Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5316 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons 486 Comment
  RSA653688  Microseris lindleyi Valerie L. Soza, Laura Moore 2000-5-10 868 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. 518 Comment
  POM363452  Microseris lindleyi Robert Gustafson 1978-6-1 980 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  UCR184112  Microseris sylvatica A. C. Sanders, T. B. Salvato 2007-4-24 33477 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  UCD122224  Mimulus aurantiacus Marc Meyer; Mike Alvord 1993-5-1 22 Los Angeles San Gabriel Mts., Chatsworth, at end of Desoto Ave. by 118 Fwy. 400 Comment
  LA209156  Mimulus aurantiacus var. pubescens W. R. Ernst; April 1947 sn Los Angeles San Gabriel Mountains, San Gabriel Canyon Comment
  RSA442640  Mimulus aurantiacus var. pubescens N. C. Cooper 1945-5-1 2242 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA580984  Mimulus aurantiacus var. pubescens Catherine A. Mish 1995-3-4 11 Los Angeles Santa Monica Mountains, Hollywood Reservoir. 250 Comment
  UCR258809  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-25 12978 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCSB41772  Mimulus aurantiacus var. pubescens Lockyer, Jim 1970-3-9 Los Angeles In a canyon off of San Dimas Road; at the northern end of Puddingstone Dam 381 Comment
  CAS-BOT-BC150856  Mimulus aurantiacus var. puniceus Reid Moran 1941-2-26 628 Los Angeles Johnson's Valley, Santa Catalina Island Comment
  UCR142508  Mimulus aurantiacus var. puniceus Reid Moran 1941-2-26 628 Los Angeles Channel Islands, Johnson's Valley, Santa Catalina Island 200 Comment
  POM8951  Mimulus brevipes P. A. Munz, R. D. Harwood 1920-4-21 3690 Los Angeles San Dimas Canyon, [San Gabriel Mountains] 457 Comment
  RSA191140  Mimulus brevipes Robert F. Thorne, M. Z. Thorne 1967-6-25 37078 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  RSA408143  Mimulus brevipes Fay A. MacFadden 1931-6-10 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA0091107  Mimulus cardinalis R. G. Swinney 2011-6-30 15384 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA584959  Mimulus cardinalis Tim S. Ross, S. D. Boyd 1990-6-1 2772 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  SEINET11262503  Mimulus cardinalis Timothy S. Ross, Steve Boyd; Steve W. Burns 1994-7-6 8117 b Los Angeles Tributary of Clearwater Canyon: Fork area of major blueline tributary which drains southward from Tule Ridge and joins Clearwater Canyon at Plum Spring. Green Valley 7.5' USGS Quadrangle.; 0 814 Comment
  POM175357  Mimulus cardinalis E. Crow 1930-6-29 s.n. Los Angeles Pine Flats, San Gabriel Mountains. Comment
  RSA420678  Mimulus cardinalis R. S. Woglum 1935-04 1285 Los Angeles San Gabriel Canyon. Comment
  RSA151133  Mimulus floribundus Peter H. Raven, Wesley O. Griesel 1961-10-13 16843 Los Angeles Upper Arroyo Seco, above Switzer's Camp 762 Comment
  RSA729189  Mimulus floribundus R. G. Swinney 1999-5-15 7152 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  UCR163103  Mimulus floribundus Anuja Parikh, Nathan Gale 2004-6-3 2038 Los Angeles Newhall Ranch, along Santa Clara River (SCR sect. 4) between confluence of Castaic Creek and Castaic Junction 305 Comment
  UCR270478  Mimulus floribundus R. G. Swinney 2011-6-30 15413 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA515170  Mimulus fremontii Steve Boyd, O. Mistretta 1986-3-31 1552 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA730393  Mimulus fremontii R. G. Swinney 1999-6-18 7279 Los Angeles San Gabriel Mtns.: Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1683 Comment
  RSA729851  Mimulus guttatus R. G. Swinney, A. C. Sanders 1998-8-28 6833 Los Angeles San Gabriel Mtns.: Stoddard Canyon at 'Stoddard Falls' 915 Comment
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Dec 10 2020
  UCR243018  Mimulus guttatus R. G. Swinney 2009-8-6 11518 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  JEPS86970  Mimulus johnstonii David M. Thompson 1986-6-8 495 Los Angeles 7.0 mi n Angeles Crest Hwy (Hwy 2) (along road following South Fork of Little Rock Creek (beginning at Three Points on USGS map)); San Gabriel Mts. Comment
  RSA0056594  Mimulus johnstonii LeRoy Gross 2005-6-23 2383 Los Angeles Road survey for Angeles National Forest; From Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek. 1401 Comment
  UC1778569  Mimulus johnstonii S. E. Schoenig 1998-6-20 98 -55 Los Angeles Angeles National Forest; NE side of road. 3.0 along 4N11 (Big Rock Cr. Rd.) from Valyermo-Big Pine Rd., 1389 Comment
  RSA654413  Mimulus longiflorus Matt Brooks 1988-4-15 15 Los Angeles Whittier, Turnbull Canyon Rd. 2.0 miles east of its intersection with Beverly Blvd. Comment
  RSA230212  Mimulus palmeri Robert F. Thorne 1969-7-2 38278 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  RSA0056578  Mimulus parishii Orlando Mistretta, Christine Mistretta 1995-5-2 1664 Los Angeles San Gabriel Mountains. Carr Canyon. 1082 Comment
  RSA13067  Mimulus pilosus Fay A. MacFadden 1933-6-15 11036 Los Angeles Verdugo Mountains: La Tuna Canyon, behind Belmont Co. Club. Comment
  SFV16965  Mimulus pilosus J. N. Hogue, P. Wilson 1997-6-27 87 .9 Los Angeles San Gabriel Mountains Highway 2, mile marker 54.22. Near Camp Valcrest. 1829 Comment
  SFV8249  Mimulus pilosus T. Gordon, K. Kimbrough, M. H. Grayum 1976-6-25 1605 Los Angeles San Gabriel Mountains Chilao Flat, along Chilao Creek. 1570 Comment
  RSA746858  Mimulus pilosus Orlando Mistretta 1992-5-21 371 Los Angeles Transverse Ranges; San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  CAS-BOT-BC388661  Minuartia douglasii Le Roy Abrams; E. A. McGregor 1908-6-19 349 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  JEPS22745  Minuartia douglasii Rimo Bacigalupi with Reino Alava 1958-7-20 6397 Los Angeles close to Angeles Crest Highway (State Highway 2); San Gabriel Mountains, Angeles National Forest, Charlton Fla 1623 Comment
  UC147930  Minuartia douglasii C. F. Baker 1909-5-15 5351 Los Angeles mts. near Claremont Comment
  CAS-BOT-BC174702  Minuartia nuttallii A. J. McClatchie 1893-8-16 182 Los Angeles Summit San Antonio Mt. Comment
  UCD170138  Mirabilis jalapa R. G. Swinney 2009-8-19 11453 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon Wilderness Park, 50 m north of rental cabins. 366 Comment
  RSA0077095  Mirabilis laevis R. G. Swinney 2010-4-15 12226 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  UCR276917  Mirabilis laevis R. G. Swinney 2011-3-29 14279 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  RSA0055068  Mirabilis laevis Jim Shevock 1970-3-24 60 Los Angeles San Gabriel Mountains. 396 Comment
  CATA3296  Mirabilis laevis var. crassifolia Amy Catalano, Jen Dreizehn 2017-3-16 013 Los Angeles Santa Catalina Island: About 70 m N of Empire Landing Rd., across road from Buffalo Springs Reservoirs 452 Comment
  RSA271440  Mirabilis laevis var. crassifolia C. W. Tilforth 1978-6-8 1595 Los Angeles Base of bluffs at Point Dume, west of Malibu Comment
  UCR256610  Mirabilis multiflora var. pubescens Anuja Parikh, Nathan Gale 2011-6-1 3404 Los Angeles Mojave Desert, Antelope Valley, 0.6 km south of Avenue K, 0.2 km east of 90th St. West, under powerlines 760 Comment
  UC1282135  Monardella Victor Duran 1933-7-11 3514 Los Angeles Sulphur Springs San Gabriel Mountains 1524 Comment
  CAS-BOT-BC220126  Monardella exilis Cecil Hart 1930-4-27 s.n. Los Angeles Between Lancaster & Victorville Comment
  RSA583154  Monardella exilis C. Epling 1937-6-16 s.n. Los Angeles 2.2 miles E of Hwy on Ave 1, Lancaster. Comment
  UCR187264  Monolopia lanceolata A. C. Sanders 2006-4-18 32099 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  RSA249761  Monoptilon bellidiforme R. F. Thorne, Gary D. Wallace 1973-4-25 43393 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  RSA3228  Mucronea californica Carl B. Wolf 1931-7-2 s.n. Los Angeles Little Tujunga Wash 1/2 mile above the bridge on the road from Sunland to San Fernando 335 Comment
  RSA252893  Mucronea perfoliata Robert F. Thorne 1973-5-11 43549 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  RSA589513  Muhlenbergia appressa Timothy S. Ross, Allan Elvin 1995-5-21 8598 Los Angeles San Clemente Island: Head of Chenetti Canyon, on the W prong of the trident formed at the top of the longest tributary; 1330 ft. SSE of Rest triangulation point (1336-ft). 358 Comment
  UCR146501  Muhlenbergia californica Scott D. White 2004-7-28 10653 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  RSA604399  Muhlenbergia microsperma Sara L. Crockett, Steve Junak 1997-3-27 606 Los Angeles Santa Catalina Island. N slope of Little Harbor, directly above beach; ca 50 m upslope. 43 Comment
  UCD86848  Muhlenbergia microsperma Joseph Andorfer Ewan 1932-3-5 7027 Los Angeles Santa Monica Mts. Mandeville Canyon rim. Upper Sonoran Zone. 365 Comment
  SD181789  Muilla maritima Valerie Soza, Kent Hughes 1999-6-17 554 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above San Olene Canyon. 747 Comment
  SD253329  Muilla maritima R. G. Swinney 2011-5-19 14776 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch) 0.6 miles SSE of jct. of Colby Ranch Rd. and FS 3N 19, upper Big Tujunga Cyn., south side of Coldwater Cyn. Creek (Chilao Flat 7.5'Q) 1073 Comment
  SEINET3887499  Muilla maritima Timothy S. Ross, Steve Boyd 1994-5-25 7894 Los Angeles West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10, Liebre Mtn 7.5' USGS Quadrangle.; 0 1684 Comment
  UCR276803  Muilla maritima R. G. Swinney 2010-5-21 12900 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  SD51842  Munzothamnus blairii Peter H. Raven 1962-7-11 17992 Los Angeles San Clemente Island; canyon north of station Nanny, northeast of Lemon Tank. Comment
  LA205963  Myoporum laetum J. Sauer; S. Modry 1969-1-31 4370 Los Angeles Point Dume Comment
  RSA0010804  Myoporum laetum Steven A. Junak 1981-7-31 SC 1 -53 Los Angeles San Clemente Island. NE end of island, along road to fuel dock pier at Dolphin Bay. 30 Comment
  RSA628798  Myriophyllum aquaticum H. L. Cogswell 1948-5-8 s.n. Los Angeles 3 mi. S. of El Monte. S.W. Cate Ditch property, San Gabriel River Wildlife Santuary. Comment
  RSA681044  Nama demissa Scott D. White 2003-6-8 9505 Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  UCD119562  Nama demissa var. demissa Daryl Koutnik; Vickie Dawes 1978-4-6 266 Los Angeles South of Palmdale along State Hwy 138 to Little Rock. 816 Comment
  RSA466284A  Narcissus tazetta A. C. Sanders 1988-2-3 7608 Los Angeles El Segundo Dunes, immediately W of LA..International Airport and Pershing Drive, E of Vista Del Mar Boulevard. 30 Comment
  RSA757801  Nassella cernua Orlando Mistretta, Christine Mistretta 2008-4-7 2368 Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 46 per TRTP survey-2008) 1031 Comment
  LA9444  Nassella lepida Carl Epling; April 1931 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA605776  Nassella lepida Scott D. White 1995-4-27 2958 Los Angeles City of Malibu. Upslope from Winter Canyon, near Pepperdine University; N of Pacific Coast Highway, E of Malibu Canyon. Road, SW of Malibu Civic Center Way. 92 Comment
  RSA0034460  Nassella lepida Ron Martinolich 1991-5-14 76 Los Angeles Los Angeles, Muholland Drive, 1.7 mi. west of intersection with Encino Hills Dr. Comment
  RSA527710  Nassella pulchra Timothy S. Ross, Annette Ross 1991-3-7 4149 Los Angeles Elephant Hill, western Pomona. 300 Comment
  RSA535302  Nassella pulchra Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5340 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  UCR243029  Nasturtium officinale R. G. Swinney 2009-8-6 11540 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  RSA9683  Navarretia atractyloides L. C. Wheeler 1932-5-19 716 Los Angeles San Gabriel Wash. 107 Comment
  CHSC98730  Navarretia hamata subsp. hamata LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1074 Los Angeles Tansverse Ranges; Verdugo Mountains region: North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  RSA104841  Navarretia hamata subsp. hamata Verne Grant 1956-6-13 9844 Los Angeles Head of Cobal Canyon, foothills of San Gabriel Mtns, north of Claremont. 915 Comment
  RSA36203  Navarretia prostrata Frank W. Gould 1944-4-15 2291 Los Angeles Near junction of Sepulveda Blvd. and W. Railroad, Manhattan Beach vicinity Comment
  RSA439270  Nemacladus longiflorus var. breviflorus Robert Gustafson, Gary D. Wallace 1982-4-26 2544 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 975 Comment
  JEPS5226  Nemacladus ramosissimus Frank W. Peirson 1918-6-4 220 Los Angeles foothills e. of Rubio Canyon; San Gabriel Mountains 609 Comment
  RSA763255  Nemacladus sigmoideus Justin M. Wood 2010-5-10 1623 -B Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  RSA421310  Nemophila menziesii var. integrifolia Elbert Benjamine 1929-3-31 86 Los Angeles Mint Canyon. Comment
  UC643396  Nemophila menziesii var. integrifolia Ira W. Clokey, B. Templeton 1929-4-1 4454 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 350 Comment
  UCR182265  Nemophila menziesii var. integrifolia R. G. Swinney, Dave Larson 1998-4-26 6034 Los Angeles San Gabriel Mtns., Browns Flat, San Dimas Experimental Forest 1332 Comment
  RSA681345  Nemophila menziesii var. integrifolia LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 948 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago)., We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 564 Comment
  POM296771  Nemophila menziesii var. menziesii Lyman Benson 1945-3-30 11648 Los Angeles Canyon at Padua Hills above Claremont. 549 Comment
  RSA0091743  Nemophila pedunculata R. G. Swinney 2011-5-26 14847 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  CATA2879  Nerium oleander Sara L. Crockett, Michael Daligdig 1996-11-4 37 Los Angeles Santa Catalina Island: Directly across from Tuna Club, adjacent to street 9 Comment
  CAS-BOT-BC231702  Nicotiana glauca Ira L. Wiggins 1925-6-1 1755 Los Angeles White's [Whites] Landing, Santa Catalina Island Comment
  CATA3269  Nicotiana glauca Ben Dion, Julia Parish 2017-1-13 001 Los Angeles Santa Catalina Island: North side of West End Rd., halfway between gate at Emerald Bay and junction with Trans Catalina Trail to Parsons Landing 23 Comment
  LA45878  Nicotiana glauca Elizabeth Levine; 1949-5-8 sn Los Angeles San Gabriel Mountains, Big Tujunga Wash N of the bridge Comment
  LA45886  Nicotiana glauca W. R. Ernst; April 1947 sn Los Angeles San Gabriel Mountains, San Gabriel Canyon Comment
  RSA0068437  Nicotiana glauca R. G. Swinney 2010-8-16 13546 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  SBBG122028  Nicotiana quadrivalvis S. D. White with J. Wood 2005-9-22 11226 Los Angeles Tapia Cyn, ca. 2 air mi E of Interstate 5/Old Ridge Route jct 427 Comment
  SEINET10818926  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3966 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  LA201169  Oenothera biennis Arthur C. Gibson; 2003-4-26 4701 Los Angeles Comment
  IRVC28853  Oenothera californica Mark A. Elvin, Cathleen Weigand 2003-4-7 2441 Los Angeles Newhall Ranch Commerce Center, S of Castaic Creek, N of SR 126 Santa Clarita Valley 297 Comment
  CAS-BOT-BC167063  Oenothera californica J. H. Thomas 1949-4-24 476 Los Angeles Five miles south of Lancaster, western Mojave Desert Comment
  UC1007146  Oenothera elata subsp. hirsutissima Philip A. Munz 1935-9-19 13989 Los Angeles Claremont Comment
  UCR131398  Oenothera laciniata Alison Lipman 1998-5-28 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  RSA736164  Oenothera micrantha Rosemarie Zimmermann 1961-6-8 131 Los Angeles Dalton Road, 1.5 mi. N. of Big Dalton Dam. Big Dalton Canyon. San Dimas Experimental Forest 610 Comment
  UCR152536  Oenothera speciosa A. C. Sanders, Lee Jones 2005-4-8 29345 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  CATA462  Oligomeris linifolia Sara L. Crockett, Steve Junak 1997-3-27 605 Los Angeles Santa Catalina Island: N slope of Little Harbor, directly above beach; ca. 50 m upslope 42 Comment
  HSC101601  Oncosiphon piluliferum Steve Boyd 2006-5-11 11659 Los Angeles Transverse Ranges; San Gabriel Mountains region: Alluvial fan below San Antonio Canyon at southern base of the range, just west of Los Angeles/San Bernardino County line, along north margin of the west-bound 210 Freeway at Monte Vista/Baseline Ave off-ramp 488 Comment
  UCD134651  Oncosiphon piluliferum R. E. Riefner Jr. 2006-7-8 06- 297 Los Angeles City of Long Beach, Shopkeeper Road at Westminster Blvd. 2 Comment
  RSA65769  Opuntia basilaris var. brachyclada F. W. Peirson 1923-5-26 3546 Los Angeles Rock Creek, north slope of San Gabriel Mts., 1524 Comment
  RSA799972  Opuntia basilaris var. treleasei Pam De Vries 2013-5-17 7819 Los Angeles Tehachapi Mountains/Western Transverse Range (Groman Hills): About 3.5 air mi SE of the town of Gorman, 0.75 air mi NNE of the Quail Lake Road off ramp on the I5. Hills east of Gorman Creek, west of Gorman Post Road. 1079 Comment
Read comments
Feb 4 2019
  RSA670809  Opuntia parryi Joseph M. Keefe 2001-1-19 30981 Los Angeles Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 385 Comment
  UC557624  Opuntia prolifera Nell Murbarger 1936-3 93 Los Angeles San Clemente Island; on mesa summit and w and s sides Comment
  POM317764  Opuntia tomentosa L. C. Wheeler 1962-1 s.n. Los Angeles Claremont, at head of Mountain Avenue Comment
  CHSC95873  Oreonana vestita LeRoy Gross; Valerie Soza 2003-6-10 1018 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mount Baldy Trail from Baldy Village to summit of Mount San Antonio. South of West Baldy. UTM Zone; 3793403N 0439641E. Just off the trail. 2896 Comment
  POM122309  Oreonana vestita Marcus E. Jones 1929-7-8 s.n. Los Angeles San Antonio Peak Comment
  RSA300678  Oreonana vestita J. R. Shevock 1974-10-5 3875 Los Angeles Summit of Mt. Baden-Powell. San Gabriel Mountains, Angeles National Forest 2847 Comment
  UCR127031  Orobanche fasciculata A. C. Sanders, Mark A. Elvin 2003-6-18 26946 Los Angeles Santa Susana Mountains, Western Transverse Range, around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon 1037 Comment
  UCR271230  Orobanche fasciculata R. G. Swinney 2011-6-14 15115 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  CAS-BOT-BC499911  Orobanche fasciculata Alice Eastwood 1913-5-11 3149 Los Angeles San Fernando Wash Comment
  RSA0081020  Orobanche fasciculata Fred Burlew 1921-07 3448 Los Angeles [Could also be San Bernardino County.] Mt. San Antonio. Comment
  RSA0059344  Orobanche vallicola R. D. Harwood 1920-2-20 3275 Los Angeles Claremont. 365 Comment
  POM4368  Orthocarpus purpurascens L. R. Abrams 1901-4-1 1181 Los Angeles Ballona Harbor. Comment
  RSA402085  Orthocarpus purpurascens Gus Gluechert 1937-4-28 s.n. Los Angeles Hills, Culver City. Comment
  RSA156654  Orthocarpus purpurascens var. pallidus L. R. Abrams 1903-4-10 3236 Los Angeles Ballona marshes near Mesmer Comment
  CAS-BOT-BC355757  Osmadenia tenella Moxley 1914-6-20 s.n. Los Angeles Annandale, Los Angeles Comment
  POM353438  Oxalis corniculata E. S. Spalding 1923-5-2 s.n. Los Angeles Los Angeles. Comment
  RSA785299  Oxalis corniculata Doris Bowers 1957-5-20 110 Los Angeles LaVerne College 305 Comment
  RSA0069879  Oxalis pes-caprae R. G. Swinney 2010-3-24 12095 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA670306  Oxalis pes-caprae Joseph M. Keefe 2001-3-19 31182 Los Angeles San Rafael Mountains. 2 meters north of Glenoaks Boulevard, 60 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208. 476 Comment
  RSA776554  Oxytheca caryophylloides Orlando Mistretta, Christine Mistretta 2010-6-14 5315 Los Angeles upper Big Tujunga canyon, 1.93 road miles E of junction with Angeles Forest Hwy. 1040 Comment
  RSA679941  Oxytheca trilobata LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 939 Los Angeles Pacifico Mountain Road (3N17) ca. 1.3 miles NW along road from Alder Saddle to Pacifico Mountain and 2 miles SE from Mt. Pacifico Campgroud turnoff. 1784 Comment
  UC2026438  Oxytheca trilobata Steve Boyd, L. Raz 1997-6-17 9965 Los Angeles LIEBRE MOUNTAINS REGION: West end of Sawmill Mountain at saddle between Fish Canyon and first canyon west of Sawmill Canyon, along Forest Service road 7N23, ca. 0.7 road miles east of junction with 7N19, at the point where fuel break crosses the road. Comment
  RSA65000  Oxytheca trilobata Joseph A. Ewan, A. N. Dunn 1933-7-23 7825 Los Angeles Tujunga Creek at Alder Cr. Jct. Upper Sonoran zone. 1037 Comment
  SBBG62563  Packera breweri R. Hoffmann 1929-5-21 Los Angeles Bouquet Cyn Comment
  UC1070120  Packera breweri A. D. Gifford 1935-5-11 705 Los Angeles 2.5 mi s Neenach; Tejon Quad. 1036 Comment
  SBBG17060  Paeonia californica K. A. Wilson, D. E. Bianchi 1961-2-2 828 Los Angeles Little Tujunga Cyn, 2 mi N of Hwy 118 Comment
  SD215593  Paeonia californica Steve Boyd, Lauren Raz 1997-3-25 9273 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 975 Comment
  POM368042  Paeonia californica Henry J. Ramsey, Henry J. Ramsey 1937-1-7 371 Los Angeles Altadena: Craig Avenue 396 Comment
  CAS-BOT-BC274179  Pappostipa speciosa Timothy S. Ross; Steve Boyd 1990-5-23 2639 Los Angeles San Gabriel Mountains. Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon 1371 Comment
  UCD88688  Parapholis incurva Louis C. Wheeler 1969-5-16 s.n. Los Angeles Santa Catalina Island. Fishermans Cove: USC Marine lab. 15 Comment
  SFV20884  Parietaria hespera var. californica L. Gross, B. Hogshead, V. Soza 2003-5-29 956 Los Angeles Verdugo Mountains West end of Verdugo Mountains at junction (saddle) of Verdugo Motorway and Wildwood Fire Road (abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago). Went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway). 564 Comment
  UCR181142  Parietaria hespera var. hespera R. G. Swinney 1997-5-13 5517 Los Angeles San Gabriel Mtns, Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam 439 Comment
  UCR182712  Parietaria hespera var. hespera R. G. Swinney 1998-2-16 5895 Los Angeles San Gabriel Mountains/San Gabriel Valley, mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank 189 Comment
  CAS-BOT-BC202249  Parkinsonia aculeata Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3405 Los Angeles San Gabriel Mountains. Little Rock Creek: Joshua Tree Campground on the SW side of Little Rock Reservoir 1002 Comment
  SEINET239059 Image available Paspalum dilatatum Scott D. White 1997-5-8 5069 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom adjacent slopes below Morris Dam. (USGS 7.5' Azusa quad) 275 Comment
  SD90373  Pectocarya linearis subsp. ferocula Robert F. Thorne 1966-4-17 36101 Los Angeles San Clemente Island: Desiccated vernal pool on mesa just northwest of Thirst 550 Comment
  JEPS20124  Pectocarya linearis subsp. ferocula Frank W. Peirson 1919-3-27 324 Los Angeles Arroyo Seco San Gabriel Mountains 381 Comment
  RSA0025070  Pectocarya penicillata Valerie L. Soza 1998-4-26 83 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. At center of BFS. 411 Comment
  RSA0120023  Pectocarya penicillata R. G. Swinney 2014-4-30 16292 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  UCR150712  Pectocarya penicillata R. G. Swinney 1998-4-14 5978 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  UCR264437  Pectocarya penicillata John F. Green 2008-3-26 308- 02 Los Angeles Western Mojave Desert, SE of Lancaster and north of Palmdale, 0.75 mi. long strip along both sides of 15th St. East, between Ave. M and Ave. M-12, east of Sierra Hwy and north of Palmdale Regional Airport 762 Comment
  UCR280540  Pectocarya penicillata R. G. Swinney 2014-4-10 16030 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA724661  Pedicularis densiflora K. Dobry 1992-4-14 d- 349 Los Angeles Camp Shalom. West Santa Monica Mts along Arroyo Sequit. 5 mi No of Pacific Coast Hwy. Comment
  UC496534  Pedicularis semibarbata T. Craig 1927-6-8 434 Los Angeles Bear Canyon Trail to summit of Mount San Antonio; San Gabriel Mountains 1828 Comment
  CATA2237  Pelargonium X hortorum Sara L. Crockett 1996-10-28 17 Los Angeles Santa Catalina Island: Casino, along walkway and perimeter of building 9 Comment
  RSA571721  Pellaea andromedifolia Reid V. Moran 1959-3-9 7169 Los Angeles 2 miles SE of Eel Point, San Clemente Island. 100 Comment
  RSA686746  Pellaea andromedifolia May N. Ackley 1922-1 72 Los Angeles Verdugo Hills, Glendale. 244 Comment
  UC812330  Pellaea andromedifolia F. R. Fosberg 1931-4-1 R 83 Los Angeles near Avalon (Hamilton Canyon); Santa Catalina Isl 60 Comment
  RSA533994  Pellaea andromedifolia T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5133 Los Angeles San Clemente Island: eastern escarpment, 1400 ft SSE of Jack (not Jack Point), and1350 ft. NW of the mouth of Larkspur Canyon 144 Comment
  RSA534134  Pellaea andromedifolia T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5056 Los Angeles San Clemente Island. At the beginning of Larkspur Canyon drainage, 1600 feet SE of the 924'BM at the E end of the old airfield landing strip. 250 Comment
  SEINET3153879  Pellaea andromedifolia G. B. Grant 918 Los Angeles Mt. Wilson, S Cal. Comment
  RSA0115402  Pellaea mucronata R. G. Swinney 2010-9-23 13885 Los Angeles San Gabriel Mountains; summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  SEINET6626522  Pellaea mucronata G. B. Grant, W. Wheeler 1904-1 920 /6194 Los Angeles Santa Catalina Island, off southern California Comment
  SEINET3873277  Pellaea mucronata var. mucronata K. Dobry 1991-4-22 441 Los Angeles West San Gabriel Mts. at Elsmere Cyn.; 0 Comment
  RSA0089477  Pellaea mucronata var. mucronata Steven A. Junak, Keri Kirkland 1998-4-30 SCa- 562 Los Angeles Santa Catalina Island. Upper part of Hamilton Canyon drainage, just downslope from Airport Road. 304 Comment
  UCR49210  Penstemon X parishii Kathy Harper 1987-5-2 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Hwy, between Las Virgenes Valley Overlook and Yerba Buena Rd. At overlook Comment
  POM11621  Penstemon centranthifolius Philip A. Munz 1921-6-18 4569 Los Angeles head of Sheep Creek (north slope of San Antonio Mountains) 1524 Comment
  RSA724651  Penstemon centranthifolius K. Dobry 1991-5-13 493 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA0127458  Penstemon grinnellii var. grinnellii Louis C. Wheeler 1967-7-15 10068 Los Angeles Angeles National Forest. Southwest side of Mt. Waterman. Comment
  RSA407912  Penstemon heterophyllus var. australis Fordyce Griffiths Jr. 1910-05 s.n. Los Angeles Los Angeles. Comment
  UC1595306  Penstemon spectabilis Tim Ross 1992-4-27 6241 Los Angeles s side of mesa sw RSA grounds; Ontario USGS 7.5' quadrangle, Claremont, Indian Hill Mesa 393 Comment
Read comments
May 27 2008
  JEPS7417  Penstemon spectabilis var. subviscosus Ira W. Clokey, B. Templeton 1929-3-26 4475 Los Angeles Mandeville Canyon , Mandeville Canyon (Santa Monica Mountains) 300 Comment
  RSA0094713  Penstemon spectabilis var. subviscosus R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14320 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead 451 Comment
  SD227424  Pentagramma triangularis subsp. semipallida Michael G. Simpson, Lori L. Simpson, Nicole Beasley, Gavin Bridgeman 2012-4-20 3676 Los Angeles Santa Catalina Island, road cut of Middle Ranch Road, ca. 1.4 miles east of junction with Cape Canyon Trail, 2 miles due south-southeast of Mount Orizaba. 244 Comment
  LA94215  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-4-10 1852 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, ca 0.25 mi S of Camp Josepho. 304 Comment
  UCSB62237  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-11-12 Los Angeles San Gabriel Mtns., Iron Fk. of the E. Fk. of the San Gabriel River, ca. 1/2 mi. up from Iron Fk. Camp 1036 Comment
  RSA687373  Pentagramma triangularis subsp. triangularis A. Menke 1955-4-21 s.n. Los Angeles Faculty Hill, UCLA campus, Los Angeles. Comment
  UCSB62245  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-9-4 Los Angeles San Gabriel Mtns., Fish Fork of the East Fork of the San Gabriel River, ca. 1 mi. downstream from upper Fish Fork Camp 1584 Comment
  RSA771579  Perideridia pringlei R. G. Swinney 2009-5-6 10655 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  CATA3285  Peritoma arborea var. arborea Julie L. King 2017-3-1 63 Los Angeles Santa Catalina Island: Isthmus Rd. near zone 1 fence 176 Comment
  CATA751  Perityle emoryi Mark L. Hoefs 1991-5-22 1280 Los Angeles Santa Catalina Island: Near road to Two Harbors in canyon southeast of Little Harbor 54 Comment
  RSA3493  Perityle emoryi C. B. Wolf 1932-5-9 3436 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 7 Comment
  RSA527669  Perityle emoryi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4287 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  CAS-BOT-BC419004  Persicaria lapathifolia Timothy S. Ross; Steve Boyd 1994-9-21 8335 Los Angeles Liebre Mountains. Cow Spring Pond: sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100 m W of the Cow Spring Canyon drainage 1155 Comment
  RSA210958  Phacelia brachyloba James Henrickson 1963-5-5 32326 Los Angeles About 4 miles N of Claremont. Burned-over, rocky, open slopes of Cobal Canyon, Foothills of San Gabriel Mts. 518 Comment
  JEPS1556  Phacelia brachyloba Ethel Rockwell 1851-1 969 Los Angeles w Glendale; Los Angeles River Comment
  RSA582641  Phacelia cicutaria var. hispida E. Lloyd 1933-4-13 s.n. Los Angeles Santa Monica Mountains; Temescal Canyon Comment
  RSA596017  Phacelia cicutaria var. hispida Tim S. Ross, J. Mark Porter 1995-5-4 8408 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA599882  Phacelia cicutaria var. hispida Steve Boyd, Lauren Raz 1997-5-6 9727 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  UCR150848  Phacelia cicutaria var. hispida R. G. Swinney, Dave Larson 1999-5-15 7159 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  RSA650550  Phacelia cicutaria var. hispida Shlomo Gat 1959-5-22 54 Los Angeles Santa Ana [Canyon] Comment
  RSA74168  Phacelia ciliata F. W. Peirson 1903-2-14 967 Los Angeles Road to Pasadena from Los Angeles. Comment
  UCSC001209  Phacelia curvipes Peter Kamb 1948-5-6 949 Los Angeles desert foothills of the San Gabriel Mts. above Little Rock, sandy and gravelly flats San Gabriel Mts. (Lower Sonoran Zone) Comment
  RSA74939  Phacelia davidsonii F. W. Peirson 1929-7-1 8444 Los Angeles Mt. Pacifico: upper part of trail, San Gabriel Mountains. 1982 Comment
  UC284120  Phacelia davidsonii Geo. B. Grant Jun 15 1906-Jun 18 1906 Los Angeles summit of Mt. Wilson San Gabriel Mts. 1828 Comment
  RSA620241  Phacelia distans B. Pitzer 1998-5-23 3753 Los Angeles Western Transverse Range Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  SEINET3860281  Phacelia distans R. G. Swinney 2009-4-24 10455 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of LIttlerock Creek Campground.; 0 915 Comment
  UC1211051  Phacelia distans Huron H. Smith 1912-5-9 4954 Los Angeles beach Redondo Comment
  UC55306  Phacelia distans J. H. Barber 1898-3-20 Los Angeles South Beach Comment
  UC56219  Phacelia distans H. M. Hall Apr. 1903 3755 Los Angeles near Pasadena Comment
  RSA426237  Phacelia distans Bonnie C. Templeton 1930-4-2 4409 Los Angeles Mulholland Dr. Santa Monica Mountains. Comment
  RSA650534  Phacelia distans James A. Reeves 1948-5-2 s.n. Los Angeles Found on North side of hill, one mile North and one mile west of San Dimas. 244 Comment
  RSA74143  Phacelia distans F. W. Peirson 1923-5-21 3512 Los Angeles South face of San Gabriel Mountains. Fish Canyon. 793 Comment
  LA104043  Phacelia douglasii Barry A. Prigge; 1986-4-20 7025 Los Angeles 5.7 mi W of Lake Hughes on Pine Canyon Rd [N2] at Bushnell Summit 1249 Comment
  SBBG64923  Phacelia douglasii R. Hoffmann 1925-4-19 Los Angeles between Antelope Valley and Elizabeth Lake Comment
  RSA74924  Phacelia egena F. W. Peirson 1929-6-30 8426 Los Angeles Just below the old mill on the Tie Canyon stream, Aliso Creek, San Gabriel Mountians. 1341 Comment
  RSA533936  Phacelia floribunda Tim S. Ross, Mistretta, Hammitt 1991-5-18 5225 Los Angeles San Clemente Island, southeast end of island; easternmost branch of Snake cactus canyon (drainage beginning 2350 ft due W of Guds) 130 Comment
  RSA74486  Phacelia floribunda F. W. Peirson 1923-4-12 3484 Los Angeles Wilson s Cove, San Clemente Island. Comment
  RSA762287  Phacelia grandiflora Orlando Mistretta, Christine Mistretta 2008-5-5 2646 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  RSA774806  Phacelia hastata subsp. hastata R. G. Swinney 2009-7-29 11407 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  NY57340  Phacelia heterosperma S. B. Parish 06 1887 1980 Los Angeles Rock Creek Comment
  UCR193727  Phacelia imbricata R. G. Swinney 1999-6-5 7269 Los Angeles San Gabriel Mtns., western end of ridge extending from Big John Peak, above Big John Flat 1793 Comment
  RSA717786  Phacelia imbricata subsp. imbricata R. G. Swinney, Dave Larson 1996-7-17 5120 Los Angeles San Dimas Experimental Forest, east half (grass portion) of Browns Flst 1317 Comment
  RSA529176  Phacelia imbricata subsp. patula Tim S. Ross 1991-7-24 5595 Los Angeles Granite Mountain vicinity: near intersection of Pacifico Mountain Road x Roundtop Truck Road. 1902 Comment
  RSA0021966  Phacelia longipes Duncan S. Bell, Caitlin Elam 2013-6-24 5278 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  UC976032  Phacelia longipes Rimo Bacigalupi with L. R. Heckard, and G. T. Robbins 1953-6-14 4192 Los Angeles south fork of Little Rock Creek Canyon Angeles National Forest, San Gabriel Mts. (upper slopes, higher n slopes of mts.) 1432 Comment
  UCR205590  Phacelia longipes R. G. Swinney 2008-5-13 8869 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, South Fork Trail 0.7 mi. east of Holcomb Canyon 1512 Comment
  RSA0031809  Phacelia minor Geraldine Dodd 1992-5-9 009 Los Angeles San Gabriel Mts. 3 miles north of corner of Loma Alta Dr. & Lake Ave. in Altadena.Sam Merrill hiking trail. 1066 Comment
  RSA0053876  Phacelia minor R. G. Swinney 2010-5-11 12623 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA11077  Phacelia minor Carl B. Wolf 1928-3-29 1586 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  POM3732  Phacelia minor O. W. Robinson 1916-3-16 s.n. Los Angeles Wash near Greek Theater, Claremont, Comment
  UCR202730  Phacelia mohavensis R. G. Swinney, Cody Clarke 2001-8-22 8085 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  UCR223209  Phacelia mohavensis R. G. Swinney 2009-5-27 10895 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UC1174691  Phacelia parryi George Gillett 1954-3-13 371 Los Angeles bank above Hwy 101 2.7 mi s Ventura-Los Angeles County line Comment
  UCD120653  Phacelia parryi Daryl Koutnik 1978-5-10 467 Los Angeles Corral Canyon Road, Santa Monica Mountains. 640 Comment
  SD38339  Phacelia viscida Edith Purer 1935-5-11 6581 Los Angeles Near Seminole Hot Springs, Hillside Comment
  RSA640649  Phalaris lemmonii Steven A. Junak 1997-5-20 SCI- 880 Los Angeles San Clemente Island. SW side of San Clemente Island Ridge Road, 0.73 mile SSE of Thirst Peak, in extreme upper reaches of Cave Canyon 540 Comment
  RSA613267  Phalaris minor L. C. Wheeler 1976-7-29 s.n. Los Angeles Dominguez Hills: Carson Street at Union Pacific Rail Road. 9 Comment
  RSA623860  Phalaris minor K. Scott 1921-5-12 s.n. Los Angeles Lincoln Ave, Pasadena Comment
  UCD89174  Phalaris minor Frank W. Gould 1944-4-15 2292 Los Angeles Near corner of Crenshaw and Rosecrans. Comment
  SEINET10657415  Phalaris minor Robert F. Thorne 1973-4-12 Thorne 42891 Los Angeles San Clemente Island: roadside among old buildings at old airfield, grassland 244 Comment
  RSA599765  Phalaris paradoxa Steve Boyd, Dave Bramlet, Harry Spilman, Nancy Hanson, Susan Hobbs 1997-5-10 9784 Los Angeles Along Old Ridge Route north of Templin Highway and northwest of the confluence of Castaic Creek and Fish Creek, ca 600m southeast of transit station Hiway., Near 34? 37' 00N 118 ? 40' 58.8W 975 Comment
  JEPS1832  Pholistoma auritum Frank W. Peirson 1919-5-18 441 Los Angeles Monrovia Canyon San Gabriel Mts., Monrovia Canyon Comment
  UC440429  Pholistoma auritum Carl Epling 1930-4-10 Los Angeles Mandeville Canyon Santa Monica Mts., Mandeville Canyon Comment
  LA38522  Pholistoma auritum var. auritum Louis C. Wheeler; 1932-4-2 551 Los Angeles Santa Monica Mountains, Mandeville Canyon, head of canyon 487 Comment
  RSA250603  Pholistoma membranaceum Robert F. Thorne, Arthur C. Gibson, J. P. Simon, D. J. McGillivray 1970-4-17 39496 Los Angeles Mojave Desert: Ca. 3 mi. S of Hwy. 138 on Grandview Canyon road, ca. 9 mi. ESE of Pearblossom 1280 Comment
  RSA459285  Pholistoma membranaceum J. P. Broughton, K. K. Muller 1971-4-2 1350 Los Angeles Soledad Canyon Road, ca. 5 miles south of Palmdale. Comment
  RSA213343  Pholistoma racemosum Reid V. Moran 1941-3-1 663 Los Angeles Arrow Point, Santa Catalina Island. 200 Comment
  SBBG78975  Pholistoma racemosum F. R. Fosberg 1931-3-23 4333 Los Angeles Hamilton Cyn 75 Comment
  RSA0087088  Phoradendron bolleanum R. G. Swinney 2010-6-1 13084 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  RSA600684  Phoradendron macrophyllum Louis C. Wheeler 1936-6-30 4200 Los Angeles San Gabriel Mountains: San Dimas Canyon, near dam. 427 Comment
  CAS-BOT-BC141307  Phoradendron serotinum subsp. tomentosum Del Wiens 1960-6-10 2716 Los Angeles Cobal canyon, N of Claremont 396 Comment
  RSA603194  Phoradendron villosum Louis C. Wheeler 1972-12-20 12787 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  RSA600672  Phragmites australis L. C. Wheeler 1967-11-18 s.n. Los Angeles San Gabriel Mountains: Middle Fork of Mill Creek, off Big Tujunga. 1067 Comment
  SD69625  Phyllospadix scouleri Robert F. Thorne, P. Everett 1965-5-11 34562 Los Angeles shoreline; S side of N beach of Little Harbor, Santa Catalina Island Comment
  SEINET7783798  Pinus attenuata Unknown 1965-3-8 s.n. Los Angeles Angeles National Forest Comment
  RSA384435A  Pinus contorta var. murrayana Albert J. Perkins 1915-7-26 s.n. Los Angeles Mt. San Antonio. 3049 Comment
  LA35781  Pinus coulteri Mary V. Hood; 1939-12-27 39- 153 k* Los Angeles Charleton Flats 1478 Comment
  RSA772275  Pinus monophylla R. G. Swinney 2009-5-6 10690 Los Angeles Carr Canyon at confluence with Little Rock Creek 909 Comment
  CATA3271  Pinus radiata Ben Dion, Julia Parish 2017-1-26 003 Los Angeles Santa Catalina Island: Middle Canyon, halfway between Pumphouse 2 and first junction with Skull Ridge Road 0 Comment
  SBBG80496  Piperia cooperi S. A. Junak 1978-4-16 SCa 41 Los Angeles entrance to Fourth of July Cove 30 Comment
  RSA534150  Piptatherum miliaceum Timothy S. Ross, O. Mistretta, M. Hammit 1991-5-17 5049 Los Angeles San Clemente Island: 650 ft. SE of air terminal (New airfield, N end of island). 64 Comment
  CATA2201  Pittosporum tobira Sara L. Crockett 1997-3-14 89 Los Angeles Santa Catalina Island: Base of Avalon Canyon Road at 5 way intersection, in small park on W side of street 36 Comment
  UCR84382  Plagiobothrys acanthocarpus T. S. Ross 1993-4-22 6895 Los Angeles Santa Catalina Island, SW part of the island, SE slope of the 1528-foot peak (not far below its summit), 1200 m ESE of the summit of Cactus Peak (1560 ft.). 456 Comment
  UCR147852  Plagiobothrys arizonicus LeRoy Gross, Paul Morton 2004-6-9 1347 Los Angeles Transverse Ranges; Liebre Mountains region, West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road. Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1688 Comment
  SEINET13365350  Plagiobothrys canescens G. B. Grant, W. Wheeler 1904-1 996 /6159 Los Angeles On Santa Catalina Island. Comment
  POM8685  Plagiobothrys canescens P. A. Munz 1920-3-2 3267 Los Angeles Hills S of Pomona 305 Comment
  SBBG101138  Plagiobothrys canescens T. Ross, E. Kellogg 1992-4-12 6125 Los Angeles 525 m distant from Vista (point), near head of Grove Cyn 518 Comment
  POM368939  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1931-3-25 4379 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 100 Comment
  RSA0105758  Plagiobothrys collinus R. G. Swinney 2011-6-7 15039 A Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road. 1585 Comment
  SD237379  Plagiobothrys collinus R. G. Swinney 2009-5-28 10926 Los Angeles Transverse Range; San Gabariel Mountains: Sulphur Springs Campground, South Fork of Little Rock Creek (Waterman Mtn 7.5'Q) 1584 Comment
  UC205903  Plagiobothrys collinus L. A. Greata 1901-4-9 Los Angeles Avalon Santa Catalina Island Comment
  UCR271062  Plagiobothrys collinus var. fulvescens R. G. Swinney 2011-6-6 14999 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  POM368936  Plagiobothrys nothofulvus Tom Burch 1940-3-15 4022 -6 Los Angeles Santa Susana Pass, near Chatsworth. 610 Comment
  POM61309  Plantago erecta L. R. Abrams 1903-4-10 3241 Los Angeles Near Mesmer. Comment
  UCR194146  Plantago erecta A. C. Sanders 2008-4-25 35103 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 1000 Comment
  POM283965  Plantago erecta Arthur L. Cohen 1934-8-2 518 Los Angeles Ocean Park, California. Comment
  UCR131403  Plantago indica Alison Lipman 1998-6-2 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  POM4540  Plantago lanceolata Dian Haynes s.n. Los Angeles Near Pasadena. Comment
  POM155890  Plantago major L. R. Abrams 1904-9-2 4172 Los Angeles Los Angeles River. Comment
  RSA191071  Plantago major Robert F. Thorne, M. Z. Thorne 1967-7-2 37240 Los Angeles San Antonio Canyon; Chapman Ranch, above Mt. Baldy Village. 1357 Comment
  RSA412572  Plantago major Robert Gustafson 1980-9-16 1908 Los Angeles Ballona Wetlands, Area 2. [See map on specimen for precise location.] Comment
  CATA787  Plantago ovata Mark L. Hoefs, Robert Given 1991-6-12 1353 Los Angeles Santa Catalina Island: Near road above Salta Verde Beach 76 Comment
  SD86332  Plantago ovata R. Beauchamp, M. Douglas 1972-3-24 3224 Los Angeles San Clemente Island; In open sandy areas south of Eel Point 24 Comment
  SD90378  Plantago ovata Robert F. Thorne 1966-4-16 36037 Los Angeles San Clemente Island, 2/3 mile southsoutheast of Eel Point and north of Seal Cove, southwest side of island. 29 Comment
  SBBG50110  Plantago ovata var. insularis M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  UC1178657  Platanthera leucostachys Peter Kamb June 1947 620 Los Angeles Little Jimmy Spring San Gabriel Mountains, Little Jimmy Spring 2286 Comment
  RSA757082  Platanthera sparsiflora Richard G. Swinney 2008-9-13 9459 Los Angeles Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  UCR129419  Platanus racemosa A. C. Sanders, Mark Elvin 2002-6-18 25140 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  POM293799  Platanus racemosa Lyman Benson 1947-3-29 12292 Los Angeles Indian Hill, City of Claremont. 427 Comment
  SD41971  Platystemon californicus Darley F. Howe 1947-5-5 1541 Los Angeles Highway between Palmdale and Littlerock. Comment
  UC146743  Platystemon californicus J. Burtt Davy 1896-5-25 2659 Los Angeles Leonis Valley; bet. Manzana and Gorman's Comment
  UC520025  Platystemon californicus Joseph Andorfer Ewan 1932-5-19 7535 Los Angeles Playa del Rey Comment
  RSA445705  Platystemon californicus Frances M. Morey 1922-4-14 s.n. Los Angeles Culver City. Comment
  UC118462 Image available Platystemon californicus Mrs. K. Brandegee May 1889 Los Angeles San Pedro Comment
  CAS-BOT-BC244434  Poa annua Geo. B. Grant 1903-4-1 s.n. Los Angeles Pasadena Comment
  POM1248  Poa annua I. M. Johnston 1916-12-29 s.n. Los Angeles Claremont 366 Comment
  RSA729186  Poa annua R. G. Swinney 1998-7-10 6414 Los Angeles Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground. Canyon bottom with riparian forest of Alnus rhombifolia, surrounded by montane coniferous forest and chaparral. 1585 Comment
  UCD91925  Poa pratensis Geoffrey Levin 1974-5-8 74 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. 335 Comment
  RSA600927  Poa secunda L. C. Wheeler 1968-3-17 s.n. Los Angeles San Gabriel Mountains: Wildwood Canyon along Ferguson Motorway. 480 Comment
  RSA639182  Poa secunda L. C. Wheeler 1967-5-15 9591 Los Angeles San Gabriel Mountains: Elsmere Canyon, near mouth. 441 Comment
  RSA702557  Poa secunda Scott D. White 2004-5-5 10299 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  CAS-BOT-BC236200  Poa secunda subsp. secunda G. B. Grant 1906-6-19 6911 Los Angeles Summit, Mount Wilson Comment
  UC76931  Poa secunda subsp. secunda J. Burtt Davy May 9 1896-May 24 1896 2465 Los Angeles Manzana; Antelope Valley Comment
  CATA3030  Polycarpon tetraphyllum Amy Catalano 2016-3-14 036 Los Angeles Santa Catalina Island: 106 Middle Ranch, backyard, along back side of house and sidewalk 202 Comment
  RSA616146  Polycarpon tetraphyllum Valerie L. Soza 1998-5-3 100 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  RSA780001  Polycarpon tetraphyllum R. G. Swinney 2009-4-7 10295 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR258909  Polycarpon tetraphyllum R. G. Swinney 2010-4-23 12354 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  POM258503  Polycarpon tetraphyllum P. A. Munz 1942-5-1 17055 Los Angeles Parking on sixth St. north of Crookshank Hall, Claremont. 366 Comment
  UCR178908  Polygonum lapathifolium R. G. Swinney 1989-9-16 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 335 Comment
  RSA13695  Polygonum lapathifolium Louis C. Wheeler 1933-8-20 2087 Los Angeles Pine Canyon Dam, San Gabriel Canyon, San Gabriel Mountains. 305 Comment
  UC284223  Polypodium californicum P. A. Munz 1923-4-9 6653 Los Angeles Wilson's Cove; San Clemente Isl. Comment
  UC749019  Polypodium californicum Louis C. Wheeler 1933-5-1 1678 Los Angeles Rustic Canyon; Santa Monica Mts. 60 Comment
  UCSB62368  Polypodium californicum Kiefer, Lawrence 1967-4-2 Los Angeles San Gabriel Mtns., N of Altadena, Fern Canyon, tributary of Arroyo Seco, ca. 1/4mi from confluence 426 Comment
  CAS-BOT-BC71888  Polypodium californicum Henry J. Thompson 1959-2-20 1834 Los Angeles 0.5 mile above ocean, La Tuna Canyon 76 Comment
  UCSB62342  Polypodium californicum Kiefer, Lawrence 1967-4-15 Los Angeles San Gabriel Mtns., N of Monrovia, Monrovia Canyon, ca. 1/2mi above Emerson Flats 457 Comment
  UCSB62358  Polypodium californicum Kiefer, Lawrence 1967-2-4 Los Angeles San Gabriel Mtns., N of La Canada, Big Tujunga Canyon, E of Big Tujunga Reservoir, along US Forest Service Road 3W27, ca. 1mi Comment
  UCSB62395  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canyon Comment
  CATA1261  Polypogon monspeliensis Mark L. Hoefs, Douglas R. Hoefs 1995-6-29 2346 Los Angeles Santa Catalina Island: Near junction of Empire Landing Road and road to Two Harbors 207 Comment
  RSA720491  Polypogon monspeliensis R. G. Swinney 1997-9-6 5875 Los Angeles Jackson Lake W of Wrightwood 1875 Comment
  RSA596986  Polypogon viridis Steve Boyd, Lauren Raz 1996-9-24 8960 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  RSA0127378  Polypogon viridis Louis C. Wheeler 1967-7-20 10136 Los Angeles Aliso Canyon. 1067 Comment
  RSA628629  Polystichum scopulinum L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, branch at Angeles Crest Highway. 2103 Comment
  CAS-BOT-BC102551  Populus fremontii Robert F. Thorne 1970-3-6 39386 Los Angeles Santa Catalina Island: lower Cottonwood Canyon near bridge 30 Comment
  UCR223547  Potentilla glandulosa R. G. Swinney 2009-6-2 11000 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  CHSC83975  Potentilla glandulosa subsp. glandulosa John Dittes 1990-6-20 119 Los Angeles Transverse Range; San Gabriel Mountains; approximately 16.7 air-miles north of Monrovia, approximately 1.3 air-mile northeast of Vetter Mountain and 0.75 air-mile southwest of Chilao Station, in canyon of East Fork Alder Creek. 1493 Comment
  POM366512  Potentilla glandulosa subsp. nevadensis I. M. Johnston 1918-7-6 2066 Los Angeles Prairie Fork of San Gabriel River 2134 Comment
  RSA507538  Prunella vulgaris subsp. lanceolata Louis C. Wheeler 1967-8-24 10497 Los Angeles Angeles National Forest: SW slope of Mt. Waterman. 2165 Comment
  SEINET10957103  Prunus dulcis Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2603 Los Angeles City of Pasadena. Trader Joe's, 610 S. Arroyo Pkwy. Comment
  CAS-BOT-BC154937  Prunus ilicifolia Timothy S. Ross; Steve Boyd 1994-5-25 7931 Los Angeles Liebre Mountains. Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit 1075 Comment
  RSA12024  Prunus ilicifolia Fay A. MacFadden 1929-6-6 1071 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  LA208152  Prunus ilicifolia subsp. lyonii P. C. Everett; 1934-9-30 6206 Los Angeles Santa Catalina Island, 0.5 mi. above Mexican Settlement and up left ( E ) Fork of Pebbly Beach Canyon 152 Comment
  SD69041  Prunus ilicifolia subsp. lyonii Robert F. Thorne 1966-9-16 36719 Los Angeles Santa Catalina Island, near terminus of Renton Mine Road, upper end Pebbly Beach Canyon 274 Comment
  JEPS44912  Prunus virginiana var. demissa Frank W. Peirson 1919-6-4 82 a Los Angeles Icehouse Canyon; San Gabriel Mountain, Icehouse Canyon 2057 Comment
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Dec 10 2014
  RSA0062630  Pseudognaphalium beneolens R. G. Swinney 2010-9-9 13768 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  SD253394  Pseudognaphalium biolettii R. G. Swinney 2011-3-18 14164 Los Angeles San Gabriel Mts.: Glendora, east side of Mulla Canyon, southeast of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  SBBG131137  Pseudognaphalium californicum S. A. Junak 1999-5-21 SCa 971 Los Angeles rd on ridge between Silver Cyn and Coffee Pot Cyn, near BM 1732, on fenceline rd off Salta Verde/Bulrush Cyn Trail 527 Comment
  UCR252743  Pseudognaphalium californicum R. G. Swinney 2010-5-29 13417 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UC1587697  Pseudognaphalium californicum Tim Ross, Orlando Mistwetta, Mike Hammitt 1991-5-18 5199 Los Angeles nnw of Guds ((888 marker)); San Clemente Island 396 Comment
  LA201033  Pseudognaphalium canescens subsp. beneolens Harlan Lewis; 1939-9-23 1002 Los Angeles Santa Monica Mountains, West Los Angeles 60 Comment
  POM358846  Pseudognaphalium leucocephalum T. S. Clare, Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon, Mt Wilson. Comment
  JEPS26166  Pseudognaphalium luteoalbum Peter H. Raven and Henry J. Thompson 1959-9-6 14401 Los Angeles near mouth of dried bed Malibu Creek; Santa Monica Mountains, Malibu Creek 12 Comment
  UC896899  Pseudognaphalium microcephalum Louis C. Wheeler 1931-9-11 135 Los Angeles 2 mi ne La Verne 373 Comment
  UCR256625  Pseudognaphalium microcephalum R. G. Swinney 2010-8-16 13565 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  RSA0115265  Pseudognaphalium stramineum Richard G. Swinney 2010-6-8 13229 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  RSA579221  Pseudognaphalium stramineum Timothy S. Ross, Steve Boyd 1994-7-7 8160 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the 'Kelley Ranch' inholding (USFS map, 1958; 'Knapp Ranch', Angeles National Forest map, 1982) 1000 Comment
  CAS-BOT-BC80069  Pseudotsuga macrocarpa G. B. Grant 1900-4-11 s.n. Los Angeles Mt. Lowe 1524 Comment
  UCR101529  Pseudotsuga macrocarpa Steve Boyd, T. S. Ross, Laura Moore, V. Soza 1997-7-8 10001 Los Angeles San Gabriel Mtns., Northern flank of Sawmill Mtn., upper Heryford Canyon watrshed, along Sawmill Mtn. Road (7N23), c. 0.7 m from the junction w/ Maxwell Truk Trail & Burnt Peak Road. 1500 Comment
  RSA92381  Psilocarphus brevissimus F. W. Peirson 1304 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  RSA594288  Pteridium aquilinum var. pubescens L. C. Wheeler 1967-7-30 10256 Los Angeles San Gabriel Mountains. Big Tujunga Canyon at Trail Canyon. 518 Comment
  SEINET3874204 Image available Pteridium aquilinum var. pubescens F. R. Fosberg 1931-5-7 S 4834 Los Angeles Cottonwood Canyon, rt. fk. Santa Catalina Island.; 0 200 Comment
  UCR207974  Pteridium aquilinum var. pubescens F. R. Fosberg 1931-5-7 S 4834 Los Angeles Channel Islands, Santa Catalina Island; Cottonwood Canyon, right/south fork 250 Comment
  CHSC100171  Pterostegia drymarioides John Dittes 2006-5-30 1377 Los Angeles Western Transverse Range; San Gabriel Mtns; Big Tujunga Canyon; ca. 3.7 air miles northeast of Verdugo Hills High School, ca. 2.5 air miles southwest of Condor Peak, ca. 2.5 air miles south x southeast of Mt. McKinley; slope above Trail Canyon Creek, north of Big Tujunga Rd. 528 Comment
  RSA586345  Pterostegia drymarioides Orlando Mistretta 1995-3-17 1548 Los Angeles San Gabriel Mountains: slopes NW of Little Rock Reservoir. On Emma section of Little Rock creek Managment Unit. 1250 Comment
  RSA601430  Pterostegia drymarioides Louis C. Wheeler 1933-5-5 1697 Los Angeles San Gabriel Mountains: Fish Canyon. 305 Comment
  UCR220201  Purshia glandulosa R. G. Swinney 2009-4-2 10244 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  CAS-BOT-BC158661  Purshia tridentata var. glandulosa Elmer I. Applegate 1931-11-8 7004 Los Angeles 5 miles east of Little Rock, Big Rock Ranger Station, Big Rock Creek, north base of the San Gabriel Mountains Comment
  RSA0080560  Pyrola dentata Wayne E. Sawyer 1981-7-12 94 Los Angeles Crest trail, 0.4 mi. SE of Little Jimmy Spring and 1.2 mi. W of Mt. Hawkins 2393 Comment
  UCSB51536  Pyrrocoma racemosa var. sessiliflora Hodgson, John 1928-10-9 Los Angeles Peace Valley Meadow; Santa Barbara Forest 1066 Comment
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Apr 1 2015
  CAS-BOT-BC45782  Quercus Geo. B. Grant 1903-3-29 s.n. Los Angeles Sawpit Canyon, Monrovia Comment
  RSA128283  Quercus agrifolia H. J. Thompson 1959-3-27 1893 Los Angeles Santa Monica Mountains: Saddle Peak, 1.5 miles east of peak. 732 Comment
  UCR258906  Quercus agrifolia R. G. Swinney 2010-8-16 13529 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  RSA652867  Quercus agrifolia var. agrifolia Ron Martinolich 1991-4-7 3 Los Angeles Los Angeles, Griffith Park, off of Griffith Park Drive, 0.3 miles west of Zoo Drive at dirt parkig area. South-east on fire road about 150 feet, on west side, up hill 15 feet Comment
  RSA670806  Quercus agrifolia var. agrifolia Joseph M. Keefe 2001-3-16 31120 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105. 284 Comment
  POM187672  Quercus berberidifolia Joseph A. Ewan 1931-10-24 5259 -a Los Angeles Santa Monica Mountains Comment
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Mar 9 2015
  UC1922570  Quercus berberidifolia Gary Kovnat with LeRoy Gross 2003-2-16 19 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  UCD45261  Quercus berberidifolia A. D. Gifford 1935-4-14 580 Los Angeles 2 1/2 miles east of Whitaker Peak. Altitude 3000 feet. 914 Comment
  UCR230265  Quercus berberidifolia Dan S. Cooper 2011-3-28 311- 21 Los Angeles Industry Hills, S of Temple Ave., La Puente 177 Comment
  UCR95382  Quercus berberidifolia L. C. Wheeler 1966-11-23 9152 Los Angeles San Gabriel Mtns., Chileno Canyon, 0.25 mi. upstream from mouth. Comment
  CAS-BOT-BC62364  Quercus chrysolepis Marcus E. Jones 1882-2-27 3035 Los Angeles Pasadena Comment
  LA30435  Quercus chrysolepis Louis Wheeler; 1931-10-11 252 Los Angeles Thompson Wash near La Verne 403 Comment
  LA46430  Quercus chrysolepis A. M. Johnson; 1932-6-18 4127 Los Angeles San Bernardino Mountains, along road up to Inspiration Point, Big Pine 1828 Comment
  RSA476879  Quercus chrysolepis Blanche Trask 1900-04 d.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SD75582  Quercus chrysolepis M. B. Dunkle 1939-11-25 7361 Los Angeles San Clemente Island, east rim at Canyon Head Comment
  UCSB31743  Quercus chrysolepis Miller, Brian; Gause, Gerry 1964-9-6 Los Angeles Crystal Lake, San Gabriel Mountain range 1584 Comment
  SEINET13709296  Quercus chrysolepis J. Adams, J. Adams (Botany) 1965-1 223 Los Angeles Mt San Antonio Canyon, 2.7 Mi. Above Lower Mt San Antonio (Mt Baldy) Forest Station 3320 Ft 1012 Comment
  CAS-BOT-BC86899  Quercus douglasii E. R. Blakley 1962-10-5 5464 Los Angeles Santa Catalina Island. Middle Ranch Corral in Middle Ranch Canyon 198 Comment
  CAS-BOT-BC86377  Quercus dumosa D. E. Breedlove 1961-9-23 1272 Los Angeles S side of Cherry Canyon; 1 mi inland; Santa Catalina Island 243 Comment
  UCSB27915  Quercus durata Lloyd, Robert 1959-10-2 Los Angeles 11 miles north of Glendora on Glendora Mtn. Rd., San Gabriel Mts. 944 Comment
  UCSB68636  Quercus durata Gross, LeRoy 2000-10-28 Los Angeles Verdugo Mountains; Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale; following fire break up to main crest (to Beaudry fire road) 304 Comment
  POM19030  Quercus durata var. gabrielensis E. S. Spalding 1921-3-28 s.n. Los Angeles San Dimas Canyon. Comment
  RSA683176  Quercus durata var. gabrielensis LeRoy Gross, Naomi S. Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1079 Los Angeles North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  RSA708549  Quercus durata var. gabrielensis Valerie L. Soza, LeRoy Gross 2001-5-9 1194 Los Angeles Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 274 Comment
  RSA87162  Quercus durata var. gabrielensis F. W. Peirson 1919-5-14 376 Los Angeles East trail to Mt. Lowe 640 Comment
  POM290552  Quercus engelmannii Lyman Benson 1949-10-20 14274 Los Angeles Canyon Drive just west of the mouth of Monrovia Canyon 549 Comment
  UC847939  Quercus engelmannii L. W. Nuttall 1920-5-7 149 Los Angeles Santa Catalina Island Comment
  UCSB27874  Quercus engelmannii Gill, Robert 1959-3-12 Los Angeles 1400 Rancho Dr., Monrovia 152 Comment
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Oct 30 2014
  UCD105644  Quercus john-tuckeri Steve Boyd 1997-9-17 10046 Los Angeles Liebre Mountains Region; Knapp Ranch area at upper end of Castaic Creek drainage, at head of Cienaga Canyon, south of Liebre Mountain. 853 Comment
  UCSB34863  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles 5 miles north of Oak Flats Fire Station at upper end of Piru Gorge, West side of U.S. Hwy. 99; Tehachapi Mts., approx. 15 miles north of Castaic 701 Comment
  CAS-BOT-BC105255  Quercus kelloggii Fay A. Mac Fadden 1936-9-6 14745 Los Angeles Lake Arrowhead Comment
  OBI14274  Quercus pacifica Robert J. Rodin 1953-5-2 5820 Los Angeles Near White's Cove, Catalina Island Comment
  POM296407  Quercus pacifica Lyman Benson 1953-5-2 15105 -d Los Angeles Santa Catalina Island. Hills, north face of Swain Canyon, Whites Landing 244 Comment
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Oct 12 2010
  UC1281415  Quercus pacifica H. E. McMinn 1924-7-25 1312 Los Angeles Catalina Island Comment
  CAS-BOT-BC104425  Quercus tomentella E. R. Blakley 1962-10-6 5467 Los Angeles Channel Islands. Santa Catalina Island. Pebble Beach Canyon 91 Comment
  JEPS37662  Quercus tomentella W. L. Jepson 1908-7-12 3061 Los Angeles Catalina Island Comment
  RSA479372  Quercus tomentella Mark Hoefs 1974-9-25 562 Los Angeles West fork of Gallagher's Canyon, Santa Catalina Island. 160 Comment
  SD79063  Quercus tomentella R. Mitchel Beauchamp 1967-1-29 163 Los Angeles San Clemente Island, in canyon west of Thirst Comment
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Dec 12 2010
  CAS-BOT-BC362469  Rafinesquia californica Grant No date on label s.n. Los Angeles Avalon Comment
  POM50195A  Rafinesquia californica L. R. Abrams 1901-04 s.n.-A Los Angeles Devil's Gate. Comment
  RSA617730  Rafinesquia californica Scott D. White, Sandy Leatherman 1998-5-22 6561 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  UC284970  Rafinesquia californica P. A. Munz 1923-4-10 6755 Los Angeles canyon on w coast San Clemente Island Comment
  CATA1118  Raphanus sativus Mark L. Hoefs 1995-5-23 2082 Los Angeles Santa Catalina Island: Near Middle Canyon Road, just below Eagles Nest Lodge 121 Comment
  RSA431488  Raphanus sativus Robert M. Perkins 1935-3-24 39 Los Angeles San Antonio Canyon.[San Gabriel Mountains] Comment
  SBBG20549  Raphanus sativus E. R. Blakley 1963-12-7 6375 Los Angeles 200 yds SE of new air strip 60 Comment
  SBBG55162  Raphanus sativus S. Hales 1963-6-4 82 Los Angeles La Verne Rd, 0.25 mi S of Fire Stn 365 Comment
  RSA0020393  Rhamnus californica Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5158 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCR193944  Rhamnus californica subsp. californica A. C. Sanders 2008-7-10 35742 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  POM292939  Rhamnus crocea Unspecified 1945-5-11 11715 Los Angeles Canyon below Johnson's Pasture, Claremont. Pacific slope drainage area. 549 Comment
  CAS-BOT-BC55983  Rhamnus ilicifolia LeRoy Abrams 1903-3-11 3114 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  LA52138  Rhamnus ilicifolia Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA52139  Rhamnus ilicifolia A. M. Johnson; 1935-4-22 4567 Los Angeles Comment
  UC167143  Rhamnus ilicifolia Geo. B. Grant Apr 1905 1115 Los Angeles Pasadena Comment
  UCR125952  Rhamnus ilicifolia A. C. Sanders, Mark Elvin 2002-6-19 25165 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  RSA187801  Rhamnus pirifolia Robert F. Thorne 1966-9-16 36718 Los Angeles Santa Catalina Island, Renton Mine Road, near upper end Pebbly Beach Canyon 259 Comment
  POM2815  Rhamnus tomentella subsp. cuspidata I. M. Johnston 1917-8-22 1709 Los Angeles Prarie Fork of San Gabriel River, Lower Transition Zone. 1982 Comment
  UCR154019  Rhus aromatica A. C. Sanders 2005-5-11 30156 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  UCR223461  Rhus aromatica R. G. Swinney 2009-6-8 11094 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  LA91501  Rhus integrifolia Bruce Douglas Clayton; Greg Shaw 1972-4-20 101 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, along trail on SW-slope of BDC peak. 563 Comment
  RSA121772  Rhus integrifolia P. L. Johannsen 1934-1-27 247 Los Angeles 1/2 mile N.W. Mission Point. 838 Comment
  UC1584704  Rhus integrifolia Tim Ross 1991-3-24 4309 Los Angeles sw slope of canyon that drains sse into Turnbull Canyon; Whittier Hills (Puente Hills, pro parte) 237 Comment
  UC535521  Rhus integrifolia Ira W. Clokey, B. Templeton Mar. 1929 4605 Los Angeles Mandeville Canyon, Coast road Mandeville Canyon; Santa Monica Mountains 15 Comment
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Oct 18 2017
  LA62856  Rhus ovata F. R. Fosberg; 1932-5-7 8160 Los Angeles Santa Catalina Island, Grand Canyon, below upper falls 130.0 Comment
  RSA595020  Rhus ovata Mark Hoefs, Robert F. Thorne 1996-4-6 2663 Los Angeles Santa Catalina Island. Upper Avalon Canyon, Hermit s Gulch Trail, where trail crosses stream. 165 Comment
  SBBG54441  Rhus ovata S. See 1956-4-9 49 Los Angeles wash, campus of Pomona College, Claremont; E end of Third St 365 Comment
  RSA0043102  Rhus ovata Paul M. Inman 1983-5-8 50883 -1 6 Los Angeles Big Santa Anita Canyon in the Angeles National Forest, San Gabriel Mountains, about 1 mile north of Arcadia. Growing on a west facing slope at north end of weir at Hoegee's Camp on Winter Creek at Hoegee's Camp. Comment
  RSA614155  Rhus trilobata J. Gural, Erin Hewgley 1997-4-27 36 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Blvd. SW of pHake lake, S of Vernal Pool 412 Comment
  CAS-BOT-BC92287  Ribes amarum Louis C. Wheeler 1932-3-20 525 Los Angeles San Gabriel Mountains. San Dimas Canyon. 533 Comment
  UCR210737  Ribes amarum R. G. Swinney 2009-1-19 10002 Los Angeles San Gabriel Mtns., Azusa, Hwy 39 at El Encanto Rivers and Mountains Conservancy entrance, 1.9 mi. NE of Sierra Madre Ave. 232 Comment
  RSA0088414  Ribes aureum R. G. Swinney 2010-2-27 11746 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  SDSU19992  Ribes aureum S. H. Bullock 1968-3-29 21 Los Angeles Claremont, Blanchard Park, Mills Ave. between 1st and 6th streets. 351 Comment
  POM248  Ribes aureum var. gracillimum I. M. Johnston 1918-6-2 s.n. Los Angeles San Antonio Canon [Canyon] Wash (Between Upland and Claremont) 366 Comment
  SBBG126143  Ribes aureum var. gracillimum A. C. Sanders with T. B. Salvato 2009-5-21 36899 Los Angeles Whittier Narrows near S El Monte, N of San Gabriel River channel and SE of Durfee Ave, W half of Whittier Narrows Nature Center 66 Comment
  SBBG98200  Ribes californicum I. W. Clokey, B. Templeton -Mar-1929 Los Angeles Mandeville Cyn 300 Comment
  CAS-BOT-BC93102  Ribes californicum var. hesperium W. H. Brewer 1861-2-1 184 Los Angeles Cahuenga Pass. Comment
  CAS-BOT-BC93093  Ribes californicum var. hesperium Peter H. Raven 1959-2-15 13789 Los Angeles Santa Monica Mountains. On east facing slope Benedict Canyon at Mullholland Drive. 335 Comment
  SEINET4408086 Image available Ribes grantii G. B. Grant 1904-1 s.n. Los Angeles Comment
  RSA279106  Ribes indecorum R. F. Thorne 1971-3-25 41506 Los Angeles San Gabriel Mountains: Lower Evey Canyon off San Antonio Canyon 716 Comment
  UCD102293  Ribes malvaceum James Dilley 1997-1-17 s.n. Los Angeles Studio City, in the Santa Monica Mts. 1/2 mile down Betty Dearing trail, on Mulhollant Dr. west of Laurel Cyn Dr. Comment
  RSA0095260  Ribes malvaceum var. viridifolium R. G. Swinney 2011-5-6 14592 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  RSA0116480  Ribes nevadense R. G. Swinney 2010-9-30 13947 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  RSA476203  Ribes nevadense Anstruther Davidson 1904-06 1086 Los Angeles San Gabriel Mountains: Mt. Wilson. Comment
  RSA84838  Ribes nevadense F. W. Peirson 1918-5-26 72 Los Angeles Summit of Mt. Wilson, San Gabriel Mts Comment
  UC921829  Ribes nevadense Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Big Pines Camp San Gabriel Mts. Comment
  UCR192191  Ribes quercetorum A. C. Sanders 2008-4-11 34842 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, west of a N-S line through VABM 'Pine 995 Comment
  LA205493  Ribes roezlii Carl Epling; Nesta Dunn, Alice Goen 1931-5-16 sn Los Angeles San Gabriel Mountains, Big Pines Camp Comment
  SBBG72078  Ribes roezlii R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  UCR202533  Ribes roezlii R. G. Swinney 2001-8-9 8013 Los Angeles San Gabriel Mtns., Mount Williamson, second peak from east on the ridge 2494 Comment
  CAS-BOT-BC168663  Ribes speciosum Geo. B. Grant 1902-3-1 1127 Los Angeles Pasadena, So. Cal. Comment
  RSA549573  Ribes speciosum Tim S. Ross 1991-3-10 4214 Los Angeles Claremont: Bernard Field Station, on E side of RSA; disturbed Artemisia californica scrub. Vicinity of Phake Lake, marked as Pit on topo map. 392 Comment
  RSA713812  Ribes speciosum Valerie L. Soza, Miriam Sidibeh 2003-3-26 1621 Los Angeles Western San Rafael Hills: Near junction of Ridge Motorway and Gladys Mtwy, off junction of Camino San Rafael and Flintridge Dr, SSW of Flint Peak. 564 Comment
  SBBG15483  Ribes speciosum W. G. Webb 1934-12-26 Los Angeles Glendale Comment
  UC484122  Ribes viburnifolium Knopf and Johnson 1930-2-1 1464 Los Angeles near Isthmus Harbor; Catalina Island, Cherry Valley Comment
  RSA0069437  Robinia pseudoacacia R. G. Swinney 2010-6-8 13204 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  SEINET3100961 Image available Romneya coulteri G. Rink 2011-6-2 10583 Los Angeles Chino Hills, northeast of La Brea, weedy place. 290 Comment
  UCR205559  Rorippa nasturtium-aquaticum R. G. Swinney 2008-5-30 8884 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA449704  Rosa californica Anstruther Davidson 2501 Los Angeles Redondo Beach Comment
  LA208243  Rubus ursinus Carl Epling; May 1925 Los Angeles Arroyo Seco Comment
  RSA584956  Rubus ursinus Tim S. Ross, Steve D. Boyd 1990-6-1 2775 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  UCR148044  Rubus ursinus Steve Boyd, Amber Maurice 2004-5-18 11339 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  UCR124944  Rumex hymenosepalus B. C. Templeton, I. W. Clokey 1930-5-13 1454 Los Angeles Western San Gabriel Mtns., Mint Canyon 854 Comment
  UCSB1615  Rumex salicifolius Wedberg, H. 1958-7-15 Los Angeles behind store at jct. New and Old Topanga Canyons, Santa Monica Mtns. Comment
  RSA466272A  Rumex salicifolius var. salicifolius Joseph A. Ewan 1931-7-4 4727 Los Angeles Pacoima Canyon, 1/2 mile below dam Comment
  SEINET12155886  Rupertia physodes Unknown 1934-1 9249 Los Angeles Los Angeles. Santa Monica Coast Range Comment
  POM9701  Sagina decumbens subsp. occidentalis P. A. Munz 1921-4-10 4410 Los Angeles Claremont; Blanchard Park. 366 Comment
  RSA725103  Salazaria mexicana Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 116 -116B Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  RSA0055074  Salazaria mexicana James R. Shevock 1972-4-25 1589 Los Angeles Sierra Highway, near Palmdale. 967 Comment
  RSA248903  Salicornia virginica R. F. Thorne 1973-4-12 42914 Los Angeles San Clemente Island, Salina at Horse Cove, S end of island 3 Comment
  RSA478883  Salicornia virginica F. R. Fosberg 1931-5-20 S 4915 Los Angeles Catalina Harbor, Santa Catalina Island. 1 Comment
  RSA6442  Salix exigua F. R. Fosberg 1932-3-3 7411 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  UC506470  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-3-15 7637 Los Angeles 4 hectometers e of Radford Dr. Los Angeles River; San Fernando Valley, Los Angeles River Comment
  UCSB12929  Salix gooddingii Suter, Richard 1961-4-1 Los Angeles 0.5 miles north of Devil's Gate Dam on the west bank of Devil's Gate dam Reservoir north of Pasadena 274 Comment
  LA52058  Salix laevigata Carl Hedin; J. A. Ewan 1933-1-28 7624 Los Angeles SAN FERNANDO VALLEY, Los Angeles River, at Radford Dr. 179 Comment
  LA52059  Salix laevigata A. M. Johnson; 1932-5-30 4100 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  UC492468  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon Santa Monica Mts., Lower Topanga Canyon 15 Comment
  UCR219412  Salix laevigata R. G. Swinney 2009-3-26 10168 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  CAS-BOT-BC128134  Salix lasiandra var. lasiandra Louis C. Wheeler 1934-2-4 2372 A Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  POM362715  Salix lasiolepis Carl. W. Sharsmith 1932-1-17 10 -A Los Angeles Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  RSA12637  Salix lasiolepis Carl B. Wolf 1934-8-16 6062 Los Angeles Bryant Ranch east of Long Beach. East side of San Gabriel Flood Control. 700 ft. east and 200 feet south of center of section 25. 5 Comment
  UC482203  Salix lasiolepis Mrs. H. P. Bracelin and F. R. Fosberg 1931-10-11 572 Los Angeles on Ventura Blvd. near Vejor Creek bridge (gas station) 1350 Comment
  UCR150852  Salix lasiolepis R. G. Swinney 1999-8-16 7661 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  CAS-BOT-BC403756  Salpichroa origanifolia Philip A. Munz 1939-10-9 15565 Los Angeles East end of Claremont 365 Comment
  RSA0095115  Saltugilia australis P. A. Munz 1925-4-23 9460 Los Angeles San Gabriel Canyon. 488 Comment
  SBBG58385  Saltugilia australis R. Hoffmann 1929-4-27 Los Angeles Little Martinez Crk Comment
  RSA0016198  Saltugilia splendens R. F. Thorne, C. W. Tilforth 1972-6-29 42089 Los Angeles Angeles National Forest: Summit of Table Mountain above Big Pines. 2287 Comment
  UC1595273  Saltugilia splendens subsp. grantii Tim Ross and Peter Fritsch 1990-6-20 3649 Los Angeles Rincon-Red Box Rd (2N24) ridgetop between W Fk San Gabriel River and Roberts Canyon; San Gabriel Mountains 1328 Comment
  RSA71795  Saltugilia splendens subsp. grantii F. W. Peirson 1921-6-19 4707 Los Angeles North Fork of San Gabriel River 1296 Comment
  RSA584869  Saltugilia splendens subsp. splendens T. S. Ross, S. D. Boyd 1990-6-4 2799 Los Angeles East-West ridge ca 1400 m N of Mt. Gleason: ridge separating the headwaters of Arrastre Canyon from upper west tributaries of Gleason Canyon. 1549 Comment
  RSA424340  Salvia apiana William Emboden 1970-6-12 19 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA649601  Salvia apiana Lori Ackerman, Gerald Braden, Arthur Davenport 1988-5-4 29 Los Angeles North end of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  RSA134395  Salvia apiana Harlan Lewis 1957-5-25 s.n. Los Angeles New Topanga Road 4.8 miles north of Ferndale Road, Topanga Canyon. Comment
  RSA442849  Salvia apiana William Emboden 1969-5-28 39 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA785722  Salvia apiana Doris Bowers 1957-6-22 305 Los Angeles Arroyo Seca, Pasadena 457 Comment
  RSA710807  Salvia columbariae LeRoy Gross 2005-5-3 2243 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  SD69510  Salvia columbariae Robert Thorne 1966-4-5 35852 Los Angeles Santa Catalina Island, slope above stream in Cottonwood Canyon 106 Comment
  UCSB5766  Salvia columbariae Haller, John 1957-4-13 Los Angeles in upper Mint Canyon; ca. 5 rd. mi. E. of rd. to Acton; & 10 rd. mi. E. of Angeles Forest Hwy 914 Comment
  SDSU7431  Salvia leucophylla D. F Howe 1949-5-29 1985 Los Angeles Santa Monica Mts., 457 Comment
  SBBG112964  Salvia mellifera S. A. Junak 1998-6-13 SCa 746 Los Angeles W side of Avalon Cyn drainage, along N rim of Quail Cyn, just W of Los Angeles County Fire Station 79 Comment
  UC440434  Salvia mellifera H. Anderson 1930-5-30 Los Angeles Mandeville Canyon; Santa Monica Mountains Comment
  UCD125537  Salvia mellifera A. C. Sanders; D. Malueg 1998-6-22 22029 Los Angeles San Gabriel Mtns. La Canada, SCE Gould Substation off Hwy 2, Gould Canyon. 595 Comment
  UCR136928  Salvia mellifera B. C. Templeton 1929-12-19 1439 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 250 Comment
  UCR95540  Salvia mellifera L. C. Wheeler 1967-5-2 9276 Los Angeles Liebre Mtns, N side foothills, c. 0.3 mi. west of Los Angeles Aqueduct, just south of San Clarito Hospital. 'Baker Ranch' on Los Angeles Co. firearms closure map 396 Comment
  LA202602  Salvia spathacea Barbara Crumly; 1963-4-4 sn Los Angeles Comment
  RSA434077  Salvia spathacea Jessie Velo 1949-6-24 4220 Los Angeles Los Padres National Forest. 457 Comment
  RSA250495  Sambucus caerulea R. F. Thorne, John Dourley 1967-10-10 37377 Los Angeles Cortelyou Springs 2072 Comment
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Aug 29 2011
  RSA477540  Sambucus mexicana M. B. Dunkle 1928-5-28 1984 Los Angeles Santa Catalina Island, Avalon Canyon. Comment
  CAS-BOT-BC238735  Sambucus nigra subsp. caerulea Carl B. Wolf 1932-7-6 3832 Los Angeles San Fernando Valley, Van Nuys Blvd. 1/2 mi. east of Pacoima Post Office 335 Comment
  UCR281167  Sambucus nigra subsp. caerulea R. G. Swinney 2014-6-5 16710 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  LA32917  Sanicula arguta Jean Wylie; 1936-4-18 Los Angeles Santa Monica Mountains, Mulholland Drive Comment
  LA329800  Sanicula crassicaulis Louis Wheeler; 1932-4-2 554 Los Angeles Santa Monica Mountains, Mandeville Canyon, head of canyon 487 Comment
  UCR242035  Sanicula crassicaulis Dan S. Cooper 2012-4-30 412- 6 Los Angeles Santa Monica Mountains, Topanga, west end of Robinson Road/ Kim Trail, off North Topanga Canyon Blvd/Hwy 27 281 Comment
  CAS-BOT-BC539831  Sanicula crassicaulis Carl Epling 1931-5-2 s.n. Los Angeles Santa Monica Mountains: Los Alisos Canyon Comment
  UCR229507  Sapium sebiferum Kai T. Palenscar, Dwight Williams 2011-8-24 s.n. Los Angeles South Coast; Los Angeles Basin, Whittier, San Gabriel River c. 300 m west of 605 Fwy overpass, NE of 60 Fwy, south side of river course 71 Comment
  RSA0114941  Sarcodes sanguinea R. G. Swinney 2011-7-29 15588 Los Angeles San Gabriel Mountains; ridge immediately west of Lily Spring, c. 100 m. south of Hwy 2/ Angeles Crest Hwy, north slope of Mt. Hawkins. 2317 Comment
  RSA628815  Schedonorus arundinaceus Scott D. White, Dave Bramlet 1998-6-29 6808 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  CDA20779  Schinus molle M. O'Brien 2006-10-8 s.n. Los Angeles South of Mulholland Hwy., the road from Stunt Rd. to the water tank along the Backbone Trail. Comment
  UCR93327  Schinus polygamus Scott D. White 1996-5-19 4055 Los Angeles City of Claremont: Geneva Ave, north of San Jose, south of Arrow Hwy, west of Indian Hill, east of Towne Street. 320 Comment
  SBBG112872  Schismus arabicus S. A. Junak 1998-3-22 SCa 502 Los Angeles Avalon Cyn along W side of Avalon Cyn Rd, just N of entrance to Wrigley Memorial Botanical Garden 106 Comment
  SBBG113061  Schismus arabicus S. A. Junak with M. L. Hoefs, K. Kirkland, J. Takara 1998-5-1 SCa 590 Los Angeles Airport Rd, ca. 0.2 mi W of Middle Ranch Rd, overlooking Swain's (Swain) Cyn 411 Comment
  SBBG131586  Schismus arabicus S. A. Junak 2000-4-15 SCa 1227 Los Angeles E of Lone Tree, just inland from S-facing bluff top 402 Comment
  UCSB70300  Schoenoplectus acutus Ferren, Wayne; Hamilton, Jason 1993-9-1 Los Angeles Santa Monica Mtns. Tapia County Park. Comment
  RSA590506  Schoenoplectus maritimus Timothy S. Ross, Janet Takara, M. Gay 1993-4-20 6824 Los Angeles Santa Catalina Island: NE side of Little Harbor near the outlet of Little Springs Canyon drainage. 1 Comment
  RSA602291  Schoenoplectus maritimus R. G. Swinney 1994-8-1 3143 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Debris Basin. N side of water margin. 366 Comment
  RSA651530  Scrophularia californica T. Strid 1972-6-8 s.n. Los Angeles Budwood Fire Road, Topanga Canyon. 244 Comment
  SBBG13614  Scrophularia villosa P. H. Raven 1962-5-22 17831 Los Angeles first cyn W of Lions Head Pt Comment
  LA30220  Scutellaria mexicana Harlan Lewis; H. L. Wedberg 1957-4-13 sn Los Angeles Pearblossom Comment
  UCR223535  Scutellaria siphocampyloides R. G. Swinney 2009-5-27 10907 Los Angeles Transverse Range; San Gabriel Mtns., South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  UC450899  Scutellaria tuberosa Fay A. MacFadden 1931-4-10 2598 Los Angeles Tuna Canyon, Verdugo Hills Tuna Canyon; , Verdugo Hills Comment
  SEINET8007292  Secale cereale Steve Boyd 1998-4-28 10169 Los Angeles Liebre Mountains Region, Antelope Valley, at foot of Portal Ridge along Lancaster Rd, Comment
  PASA2576  Sedum oblongorhizum Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  JEPS60159  Selaginella asprella F. R. Fosberg and J. Ewan Aug 1931 4883 Los Angeles Islip - Hawkins divide San Gabriel Mountains Comment
  RSA632942  Selaginella bigelovii Valerie Sosa, Kent Hughes 1999-6-17 536 Los Angeles San Gabriel Mtns: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  POM312798  Selaginella bigelovii D. Taylor 1951-5-17 60 Los Angeles Little Dalton Canyon north of Glendora. 365 Comment
  RSA279048  Selaginella bigelovii Robert F. Thorne 1971-4-23 41471 Los Angeles San Gabriel Mountains, Angeles National Forest: Chantry Flats, along trail to Santa Anita Canyon 609 Comment
  SBBG128240  Selaginella bigelovii J. Dittes 2006-11-2 1425 Los Angeles N slope of Verdugo Mtns in La Tuna Cyn, ca. 3.4 air-mi N of Burbank City Hall, ca. 1.1 air-mi ESE of La Tuna Cyn Flood Debris Basin, ca. 2.0 air-mi S of Verdugo Hills High School, slope S of La Tuna Cyn Rd 487 Comment
  UC1971414  Selaginella bigelovii Louis C. Wheeler 1967-5-23 9674 Los Angeles SAN GABRIEL MOUNTAINS: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. Comment
  SEINET3148687  Senecio californicus G. B. Grant 1905-4-20 1196 Los Angeles Pasadena Comment
  RSA0012666  Senecio californicus Anstruther Davidson 1890-3-2 2043 Los Angeles Los Angeles Comment
  RSA0042789  Senecio douglasii Lee Haines 1935-07 s.n. Los Angeles Tan Bark Flats - San Gabriel Mts. Comment
  CAS-BOT-BC327419  Senecio flaccidus var. douglasii A. C. Sanders; T. B. Salvato 2009-5-29 37039 Los Angeles Irwindale at northwest edge of Baldwin Park under SCE power lines northwest of San Gabriel River and southeast of 605 Freeway south of Live Oak Avenue, Baldwin Park 7.5', San Gabriel Valley 114 Comment
  RSA33893  Senecio flaccidus var. douglasii N. C. Cooper 1943-11-20 966 Los Angeles Lancaster, between highway and railroad 762 Comment
  RSA741024  Senecio flaccidus var. douglasii Justin M. Wood, Brandy Wood 2009-1-2 274 Los Angeles Evey Canyon, trail to Potato Mtn. 683 Comment
  UC149183  Senecio flaccidus var. douglasii LeRoy Abrams 1902-7-3 2646 Los Angeles Little Santa Anita canyon Little Santa Anita Comment
  UCR191261  Senecio ionophyllus R. G. Swinney 1998-7-2 6218 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UC1302366  Senecio lyonii Robert F. Thorne and P. C. Everett 1964-2-6 33289 Los Angeles w of Catalina Island (at Isthmus); Santa Catalina Island 15 Comment
  SBBG108988  Senecio vulgaris S. A. Junak 1997-3-13 SCl 775 Los Angeles E fork of first cyn E of Mosquito Cyn 304 Comment
  SBBG62734  Senecio vulgaris M. N. Ackley -Jan-1928 300 Los Angeles Eagle Rock 213 Comment
  UC1536075  Senecio vulgaris Robert F. Thorne 1975-9-4 47387 Los Angeles USC Marine Science Center campus Santa Catalina Island, Fisherman's Cove, USC Marine Science (Fisherman's Cove, Santa Catalina Island) Comment
  RSA182755  Senecio vulgaris J. Massey 1966-2-12 1027 Los Angeles Vacant lot behind north parking lot of Graduate Residence Halls, 1111 Dartmouth, Claremont. Comment
  CAS-BOT-BC243538  Setaria italica unspecified 1916-8-1 s.n. Los Angeles unspecified Comment
  CAS-BOT-BC243624  Setaria pumila I. M. Johnston 1918-8-4 2110 Los Angeles Between Claremont and Pomona 365 Comment
  SEINET8946043  Sidalcea hirsuta G. B. Grant 1904-1 1202 Los Angeles Pasadena. Comment
  UC1215159  Silene antirrhina Peter H. Raven 1962-5-8 17634 Los Angeles opposite Wilson Cove (western slope San Clemente Island); , oppos Wilson Cove 60 Comment
  UCR219938  Silene gallica R. G. Swinney 2009-4-16 10381 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  RSA226193  Silene gallica Gary D. Cromwell, David W. Wheat 1971-5-8 636 Los Angeles Mystic Canyon, 2 mi NE of Glendora 426 Comment
  RSA545246  Silene gallica D. Propst, Mark Hoefs 1973-3-3 22 Los Angeles Santa Catalina Island: East Side of Mt. Black Jack 366 Comment
  CAS-BOT-BC174894  Silene laciniata Peter H. Raven 1956-6-17 9424 Los Angeles N.W. of Sunset Blvd. at Sepulveda Blvd., Santa Monica Mts. Comment
  UCSB45457  Silene laciniata subsp. laciniata Batson, J. 1979-5-25 Los Angeles 15 miles southwest of junction of Highway 101 and Westlake Boulevard, on Highway 23 609 Comment
  RSA439080  Silene multinervia Anstruther Davidson 1620 Los Angeles Santa Monica. Comment
  RSA0103914  Silene verecunda R. G. Swinney 2011-7-8 15497 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  RSA529179  Silene verecunda subsp. platyota Timothy S. Ross, Steve Boyd 1991-7-24 5618 Los Angeles Granite Mountain vicinity: ridge NNE of Granite Mountain. 1875 Comment
  RSA601543  Silybum marianum L. C. Wheeler 1967-7-6 9942 Los Angeles San Gabriel Mountains: San Gabriel Canyon, El Encanto. 259 Comment
  RSA0053872  Sisymbrium altissimum R. G. Swinney 2010-5-11 12627 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA594682  Sisymbrium altissimum L. C. Wheeler 1946-8-28 6277 Los Angeles Mescal Creek, just about (south of) Appletree Flat 1883 Comment
  RSA65839  Sisymbrium altissimum F. W. Peirson 1921-5-18 5330 Los Angeles One mile south of Saugus. Comment
  RSA752457  Sisymbrium officinale Justin M. Wood 2009-4-22 516 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  RSA65824  Sisymbrium officinale F. W. Peirson 1920-4-25 2109 Los Angeles Arroyo Seco, west of Pasadena 411 Comment
  SBBG17099  Sisymbrium orientale K. A. Wilson 1961-5-12 999 Los Angeles Zuma Beach Comment
  UCR259985  Sisymbrium orientale R. G. Swinney 2010-4-23 12329 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR155616  Sisyrinchium bellum A. C. Sanders 2005-5-11 30150 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  UCSB908  Sisyrinchium bellum Albright, S. 1957-5-7 Los Angeles UCLA Campus; Faculty Hill 91 Comment
  UCR119044  Solanum elaeagnifolium Jeremiah George 2001-7-17 s.n. Los Angeles South Coastal Plains Region, Rancho Palos Verdes, old Marineland site at Long Point 30 Comment
  UCD15321  Solanum mauritianum Glen Holstein 1996-2-1 s.n. Los Angeles California, Los Angeles Co.; in Laurel Canyon by Highway 101, Studio City, Los Angeles; Comment
  CAS-BOT-BC537222  Solanum pseudocapsicum E. K. Balls 1959-3-19 23765 Los Angeles Rancho Santa Ana Botanic Garden, Claremont Comment
  RSA127409B  Solanum umbelliferum Robert Gustafson 1978-6-1 963 Los Angeles Ca. 0.5 mile east off main dirt road running through Hungry Valley, summit of hills overlooking upper Freeman Canyon, ca. 1 mile S of Gorman. 1311 Comment
  UCR270946  Solanum umbelliferum R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14327 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  RSA427407  Solanum umbelliferum M. B. Dunkle 1936-3-28 4713 Los Angeles Santa Catalina Island, Silverado Canyon. Comment
  RSA427413  Solanum umbelliferum H. L. Bauer 1929-3-20 s.n. Los Angeles Long Beach. Comment
  LA81982  Solanum xanti O. H. Kappler; 1940-5-12 6 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR130060  Solanum xanti George K. Helmkamp, E. A. Helmkamp 1998-5-21 4057 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  UCR65514  Solanum xanti T. S. Ross, Steve Boyd 1990-5-14 2467 Los Angeles San Gabriel Mtns., Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1049 Comment
  RSA709466  Solanum xanti var. intermedium A. C. Sanders, Helen Kennedy 2005-4-13 29484 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between mint and Plum Canyons. 457 Comment
  SEINET6186072  Solanum xanti var. intermedium I. W. Clokey 1931-3-11 5348 Los Angeles San Gabriel Canyon 900 Comment
  RSA187764  Solidago californica R. F. Thorne 1966-9-15 36703 Los Angeles Santa Catalina Island, Middle Ranch, Middle Ranch Canyon 213 Comment
  JEPS32410  Solidago confinis Frank W. Peirson 1920-9-12 1230 Los Angeles Bear Flat Baldy Trail, San Grabriel Mts. 1676 Comment
  SBBG63042  Solidago confinis R. Hoffmann 1927-9-21 Los Angeles Gorman, Ridge Route (US Hwy 99) Comment
  SFV4113  Solidago confinis M. L. Vincent 1962-10-4 295 Los Angeles San Gabriel Mountains Valyermo Road 0.25 miles west of Valyermo. 1110 Comment
  RSA0092149  Solidago velutina subsp. californica R. G. Swinney 2011-9-22 15659 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  UC63385  Solidago velutina subsp. californica Ernest Braunton 1903-9-1 905 Los Angeles Glendale to Burbank Comment
  RSA0080653  Sonchus oleraceus R. G. Swinney 2010-5-29 13015 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA637502  Sonchus oleraceus Valerie L. Soza, LeRoy Gross 1999-5-10 451 Los Angeles San Gabriel Mountains: Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. 378 Comment
  SEINET13384003 Image available Sonchus oleraceus R. G. Swinney 2010-1 12326 Los Angeles San Gabriel Mountains: Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  LA105051  Sonchus oleraceus Barry A. Prigge; 1988-7-3 8217 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  RSA482509  Sonchus oleraceus Richard Noyes, Laurel Arnseth 1988-4-30 494 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  SFV4119  Sonchus oleraceus M. Wisotsky 1958-5-25 s. n. Los Angeles San Fernando Valley Pacoima. To the rear of 12904 Osborne Avenue, directly behind house. Comment
  CATA1887  Sorghum bicolor Ron Clark 2005-8-1 Los Angeles Santa Catalina Island: Laundry area of Camp Emerald Bay 8 Comment
  RSA311405  Spartium junceum Cheryl A. Lawson 1971-6-26 385 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Tujunga Canyon. Comment
  RSA0097902  Spergularia bocconi P. A. Munz 1923-4-8 6628 Los Angeles San Clemente Island, on west coast. Comment
  RSA0098533  Spergularia marina Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5138 Los Angeles San Clemente Island. 550 ft SSW of the 924 BM at the E end of the old airfield landing strip. 280 Comment
  CAS-BOT-BC390999  Spergularia villosa I. M. Johnston 1918-4-25 1976 Los Angeles Claremont, a side of path on college campus 365 Comment
  CAS-BOT-BC391000  Spergularia villosa Geo. B. Grant 1903-5-16 5508 Los Angeles Redondo Comment
  RSA533480  Stachys rigida subsp. quercetorum Tim S. Ross 1991-3-9 4189 Los Angeles Whittier Hills: (Puente Hills, pro parte): head of unnamed ENE-draining canyon. 290 Comment
  UCR223007  Stanleya pinnata R. G. Swinney 2009-5-13 10790 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  LA30490  Stephanomeria diegensis Jane Turner; T. Mosquin 1958-11-16 C 44 Los Angeles Santa Monica Mountains, 4.3 mi. W of fire station Comment
  CAS-BOT-BC322846  Stephanomeria pauciflora Ernest C. Twisselmann 1970-9-8 17495 Los Angeles Highway 14 at Avenue A, Antelope Valley, Mojave Desert 731 Comment
  CHSC95451  Stephanomeria virgata LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 276 Los Angeles Verdugo Mountains: Saddle hwere Stough Canyon Mountainway and Verdugo Mountainway meet. 609 Comment
  RSA0039055  Stephanomeria virgata R. G. Swinney 2009-11-16 11626 Los Angeles 20 m east (up canyon) from east edge of Kentucky Springs, tributary of Kentucky Springs Canyon, 3/4 mile W of Angeles Forest Hwy at Angeles National Forest boundary, 0.4 mi. west of junction of Mt. Emma Rd. and Angeles Forest Hwy 1122 Comment
  CAS-BOT-BC375806  Stephanomeria virgata Alice Eastwood 1916-8-1 s.n. Los Angeles Los Angeles Comment
  UC1929664  Stillingia linearifolia Scott D. White, Michael Honer 2003-6-18 9566 Los Angeles LIBRE MTS.: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. Comment
  IRVC29636  Stipa coronata A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26203 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  OBI25683  Stipa coronata David J. Keil 1977-4-30 12312 Los Angeles Ridge Rte, ca. 9 mi from jctn with Los Angeles Co Rd N-2 Comment
  CATA1279  Stipa miliacea var. miliacea Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-12 2365 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon from road to beach 6 Comment
  CATA1419  Stipa miliacea var. miliacea Mark L. Hoefs, Steven A. Junak, Ralph Philbrick, Jennifer Stone 1996-2-12 2577 Los Angeles Santa Catalina Island: Little Harbor on slope above beach 15 Comment
  UC1928653  Stipa pulchra Steve Boyd 2004-4-15 10901 Los Angeles Transverse Ranges; Liebre Mountains region; Rowher Flats area, near off-highway vehicle staging areas at end of Angeles National Forest road 5N14. Comment
  UCR200691  Stipa pulchra Steve Boyd 2004-4-15 10901 Los Angeles Transverse Ranges; Liebre Mountains region, Rowher Flats area, near off-highway vehicle staging areas at end of Angeles National Forest road 5N14 Comment
  UCR43942  Stipa speciosa B. A. Prigge 1986-3-29 7156 Los Angeles San Gabriel Mountains, E of Red Rover Mine Rd. X Antelope Valley Freeway on Escondito Canyon Rd 915 Comment
  SEINET12006987  Streptanthus heterophyllus J. F. Bright 1935-1 1011 Los Angeles Antelope Valley Comment
  RSA198838  Stuckenia pectinata Robert F. Thorne, D. Propst 1968-5-27 37628 Los Angeles Santa Catalina Island. Near margin of Thompson s Reservoir, Middle Ranch at upper (W) end of reservoir. Comment
  CATA3090  Stylocline gnaphaloides Amy Catalano 2016-4-15 071 Los Angeles Santa Catalina Island: South side of exclosure 4A, 145 meters southwest of eastern gate, 1/3 up hill to FAR fence from Grand Canyon, south facing slope 442 Comment
  RSA618736  Stylocline psilocarphoides L. C. Wheeler 1973-4-20 s.n. Los Angeles